Sunday, May 13, 2018

’Festina lente’ made in Swimming ....



Introduction in the ’B.E.S.T.’ concept
 ’Festina lente’ made in Swimming
by Mircea Olaru (Note) pe 13 iulie 2011 la 16:32

The need to test the efficiency of the swimmer’s movements was generated by the endeavour (1970-1980) of our coaches to find the most appropriate methodical way ın order to form young swimmers, an endeavour which started from these undoubted facts:
1. the spectacular rising of “wonder children” because of the speculations upon the “early specialization” and forced training, especially at swimming.
2. the usage of a selection base strictly on de facto performance, without taking into consideration the future modifications of the biological motor and functional balance.
3. the early rejection from the selection arena of other children and the massive loss of new elements.
4. the deviation from the performance prognosis of “wonder children” when they became adults. The deviation was negative – “wonder children” did not confirm!
Evidently, between 1970-80 it has been worked in “detriment” and some of the coaches even asked that children swimming training should contain “beauty” contest, something hard to be accepted.
As a federal coach (1982) I have tried to redirect the methodological content of children training:
I wanted a greater mass of children to be interested in sports swimming,
I wanted them to swim in the most correct way,
I wanted all these without forcing them;
By time, this new concept came up; he was published oficially began from 1983, in Revists / Magasine E.F.S. [1983/3, 1987/2] or other publications [ see bibliography].
At a special moment, apart from the beauty contests proposed by the coaches, I start looking for objective, mathematical information; in everyone’s conscience the chronometer is an undoubted source of information; but performance has some other elements too: tempo, technique and organism function, etc.
From all of these the easiest to control is the tempo, that is the number of movements per space or time unit. With these 2 elements (chronometer and tempo) one could have done larger evaluations, because you can not win with a hard (+ tiring) tempo and when the ones with moderate tempos won, this was reached by a perfect technique. This is why they were efficient!
Slow tempo/high speed – this is what we need for a future athlete
Under these circumstances a new concept has shown up and by time it got bigger (it is applicable not only to beginners but to other categories also, especially “Masters”) and because the acronym of the title in English was BEST I have adopted this name BEST Concept ( Biomechanical Efficienci Swimming Test )

wwwWWwww

Definiţii BEST, Les Definitions du BEST,
The BEST Definitions, Der BEST – Definitionen

R1/. Tehnica corecta inseamna eficienta de miscare in apa… “testarea eficientei biomecanice la inot”(BEST) se calculeaza astfel: adun ‘timpul’(‘t’) cu ‘vaslirile’(‘v’) suma lor o scad dintr-o valoare constanta - indicele personal de alunecare (ipa). adica ipa  – { timp + vasliri } = ...... p.best

F1/ La tehnique corecte de la nage implique l’efficience du mouvement dans l’eau.
’’Tester l’efficience / l’efficacite biomecanique dans l’eau’’ [ The Biomechanical Efficiency Swimming Test – B.E.S.T. ....] ce calcule comme suit:
- aditioner le temps (’T’) au les mouvement (par 50m) (’M’), la somme se deduit d’une valeur constante - l’Indice Personel de Glisse (I.P.G.) c’este a dire, la formule: IPG  – [ ’T’ + ’M’] = ... offre le meilleur resultat, (points BEST).

E1/The corect swim-technique means the efficiency of the movements in the water; it can be calculated by this way: add the number of the seconds and the number of the stroke-cicles (by 50m) and this sume will be extracted from the other constant sume provided from adition of the one constant value the Index of the personal Gliding (IPG)

D1/. *Die korrekte Technik setzt eine effiziente Fortbewegung im Wasser voraus...”Testen der biomechanischen Effizienz beim Schwimmen” (best)
Diese wird wie folgt berechnet: wir addieren die zwei Werte (Zeit und Züge); die Summe wird aus einer Konstante persönlicher Gleitindex (pgi). D.h. –pgi  – { Zeit + Züge } =....... p.best

R2/ Obiectivitatea conceptului si a formulei ‘b.e.s.t.’ rezida din urmatoarea logica: ‘adun doua marimi, (timpul / ’t’ + vaslirile / ’v’) care au sens descrescator, - dupa care, le scad din constanta ‘ipa’ si obtin (facil + repede / mental way ...) valoarea prestatiei in apa’

F2/ La logique du BEST et son objectivite:
J’additionne deux valeurs, deux quantites , le temps T. et le mouvement M. (des cicles de bras – pour Libre et pour le Dos 2 bras alternative, pour Brasse et pour Papillon une cicle concomitente, seulmant), les valeur qui ont un sens (desirable...!) decroissants et apres je deduis de la valeur constante (anterieur calcule) IPG’ et j’obtiens (tres facile et vite / by mental way...) la valeur de la prestation dans l’eau.

E2/The objectivity of the ‘best formula’ results from this new exercise of logic: ‘we add two value (time+stroke), this values have their sense descendent (!)…, and, after we substrate this sum from one constant value IPG points)’. In this mod we can obtain (very easy, by mental way) the supreme value of the swimming efficiency.

D2/ Die Objektivität des Konzeptes und der Formel „b.e.s.t.” baut auf die folgende Logik auf: „ wir addieren zwei Gröβen, (Zeit + Züge), die einen absteigenden Sinn verzeichnen. Diese werden nachher von der Konstante „pgi” abgezogen. Das Ergebnis (einfach + schnell / mental way...) stellt den Wert der Leistung im Wasser dar.

R3/“indicele personal de alunecare” (i.p.a. / este ca un kard-annual) ‘L.’– (kgr. + Q)
‘L.’ = lungimea maxima a corpului / pluta, ‘gr.’ = greutatea in kilograme / + ‘q.’ = diametrul/cm. subaxilar in expiratie profunda – the “index of personal gliding (IPG)

F3/ L’indice de la Glisse dans l’eau (IPG) este une valeur constante, comme un card banquare, qui le calcule annuellement:
’L.’ la valeure se deduit d’une autre somme resulte par addition de ’Kgr.’ + ’Q.’, c’est a dire:
L.– [ Kgr. + Q ] = la valeur anuelle plus constante de IPG en points....
’L.’ – longuer maximale du corp entierre(la possision fondamentale de nage - planche de flotation du corp sur le ventre ou sur le dos verrifie sur terrre);
’Kgr.’ - Kilogrames du corp, sur terre;
’Q.’ – le diametre en cm. de la cage thoracique en expir profonde, et le resultat de cette formule que l’on nomme – Indice Personel de Glisse (IPG) dans l’eau, avec ses point et d’une valeur constante, annuelle.

E3/ The index personal of gliding (ipg) is lake a ‘credit card’ (the validity is minimum one year): with this ipg we can organize the series of the race in perfect ‘faire-play’ (indifferent of the sex or age) the competitors with same or appropriate values will be introduce in the same series …the periodical calcul of this ipg formula is found with regarding to the hydrodynamics principle (reynolds+froude),
so: ‘’from the value of the maximum longer of the body (ventral float position)(L.), we will substrate the sum of the Nr. of kgr. (weight) with the Q. (Nr. of cm. of the circumference of the upper thorax in deep expiration). ‘L.’– ( ‘kgr.’ + ‘q.’)

D3/ 'Der persönliche Gleitindex” (p.g.i./ ist wie eine Kreditkarte, die 1 Jahr gültig ist (kard-annual)). „L” = die maximale Körperlänge / ventral float position;
 „kgr” = das Gewicht in Kilogramm / + „Q” = Durchmesser/cm des oberen Brustkorbabschnittes bei tiefer Ausatmung

R4/ aplicabilitatea ‘annual kard-(ului)’(ipg – index of personal gliding ), indiferent de sex si chiar de varsta subiectilor…, este data de faptul ca criteriile alese, pentru folosirea sa ca instrument de departajare / organizare a intrecerilor de inot sportiv , sunt cele induse in selectia  naturala:
# cu cat un corp este mai lung (l.),
# cu cat un corp este mai usor, (gr.)
# cu cat un corp este mai ingust (q.)
cu atat mai eficient pluteste, aluneca sau inainteaza !

F4/ L’application (calculation) annuelle du kard IPG –non peliee du sex, genne, et de l’age du suject (!), sont donnes comme une unique critere pour departager / organiser les eventuellle competitions (des series avec une real ’fraire-play’) de concurs de ’excelence tehnique de nage’ par 50m, car ce sont les criteres induits par la selection naturelle:
- plus que le corp est long .....
- plus que le corp est leger....
- plus que le corp est etroit ....
cet corp peut glisse et avance plus bien, plus efficace !

E4/The valability of the index personal of gliding (ipg) results from that – all criteria selected to make the series for the challenge was selected from the normal natural selection:
when the longer of the body is big…
when the weight of the body is light...
when the frontal section of the body is small
the float, the gliding and the swimming speed will be more efficiency to advance better with one correct technique !

D4/ Die Gültigkeit des „kard-annual” (pgi – persönlicher Gleitindex), unabhängig von Geschlecht oder Alter der Angewiesenen..., ist darauf zurückzuführen: die Kriterien, die ausgewählt wurden, um zu bestimmen, inwiefern die „annual kard” als Instrument zur Unterscheidung von Leistungen oder Veranstaltung von Schwimm-Wettkämpfen verwendet werden kann, gehen auf die natürliche Auswahl zurück:
je länger ein Körper ist (l.),
je leichter ein Körper ist (kgr),
je schmaler ein Körper ist (q.),
desto effizienter wird er schwimmen, gleiten oder sich im Wasser fortbewegen.
===================================

** Numerotarea ciclurilor de inot se poate face prin inspecție vizuală sau cu un contor mecanic / electronic (?) Care ar putea evita erorile (a se vedea Swimmnovate / PoolMate, FINIS - contor de ceas, Polar F14).


** La numérotation des cycles de nage peut être faite par inspection visuelle ou avec un compteur mécanique / électronique (?) Qui pourrait éviter les erreurs (voir Swimmnovate / PoolMate, FINIS - compteur de montre, Polar F14).

** The numbering of swimm-cycles can be made by visual inspection or with a mechanical/electronic(?) counter that could avoid the errors (see Swimmnovate/PoolMate, FINIS - watch counter, Polar F14).

****** Die Zählung der Ruderungsabläufe kann frei (visuell) durchgeführt werden oder mit Hilfe eines mechanischen/elektronischen (?) ‘counter’s, der die Kopfzählung vereinfachen soll und mögliche Fehler vermeiden soll (Varianten - Swimmnovate/PoolMate, FINIS - watch counter, Polar F14).

Bibliografie selectiva:

1978 M. Sgrumala, I. Bidoaie –‘Proiectarea navelor mici, Ed. Tehnica, Buc., p.17,
(Principiul Reynolds – Froude, bibl.: Saunders, N-York, 1957))
1982  M.Olaru – INOT – manual metodic, Ed. Sport-Turism, , p.184,
1983  M.Olaru – Rev E.F.S. nr 3/1983 p.49 "Testarea eficientei biomecanice la inot'.
1987  M.Olaru – Rev E.F.S. nr. 2/1987, p.27 'Ierarhizarea numerica a prestatiilor inotatorilor'.
1988  M.Olaru – 'Să nu ne temen de apă', Ed. Sport-Turism, 1988, p.90, sport-book
1991  M.Olaru – Note de curs-inot, Univ. Ecologica Buc., Ed. Universitara, 1991, p. 123
1995  M.Olaru – Afise editate de FRN & Canada Swimming Natation,1995, color, 4000
1995  E.Hines – 'Fitness Swimming', Human Kinetics, p.27, ('Swimming Golf'), 1995.
1995   D. Hannula- “ Coaching Swimming succesfully’’, p.78 ( Minimum-Nr-.swims),1995
1999  M.Olaru – Rev.'Stiinta Sportului', ed CCPS, nov 1999, Referat - ‘Un nou concept in pregatirea inotatoriilor'.
2003  E. Maglisho – ’Stroke Counting Drills’’, from Swimming fastes, Hk Book ,2003
2007  M.Olaru – ‚’Despre inot… cu Mircea Olaru’,CD+4 postere, ed. SSE, 2007, 1000 ex.
2008  M. Olaru – referat la sesiunea de comunicari a Univ. Spiru Haret, Buc, 2008
’Testarea eficientei biomecanice la inot’

===============================

Copy from DESPRE INOT, by M.Olaru, ed. SSE, 2007

ANNEX No. 9 BEST
Was the 'philosophic stone' of swimming discovered .....?
It can be a bagatelle, a cheap grandmany, it can be an authentic truth I just discovered ... but maybe others have intrigued and used it empirically, and only me, in the position of 'little known' ..., we have come to make this condition necessary for the acquisition of perfection ...
Now, at the age of 70, after many searches and aspirations, I can say honestly to you without hesitation and without complexity:
PHILOSOPHIAL FLAT OF WINE…, is the BEST concept!
So complicated escalation of the top, the supremacy of the man on the "well-trained" waters in an Olympic swimming pool, is essentially summed up to two great requirements:
1/. It uses intelligently the BEST and IPA formulas, which deviate from the expression Festina Lente ....
 2 /. Apply without any indication
- 'How much air you inhale ... ... as air exits ...' ,  the golden rule of swimming!
Whoever quickly understands the motric, bio-functional response to these two primordial requirements - will gain success ...; who fails - will often struggle in vain, and will only get OBOSEALA in all its forms and phases.
--------------------------------
Note: As regards the BEST concept, in the training and contest chapter, I have sought to gradually present the somewhat unusual content of this approach to sporting swimming - about the 2nd requirement, the need to give an example of what would mean 'how long do you blow .....'.
Here it is: we all have the image of the typical scene whereby a doctor called at the head of a sufferer takes the pulse looking at the second of the clock ...; At this point the doctor tries to actually observe the bio-functional balance of the patient, then if necessary he will ask for a series of analyzes after which he will venture to write a first diagnosis .....
In our case, swimming, "called doctor" ... is actually the athlete himself (helped by the coach ...) who, in order to check the bio-functional balance of the stressed body instead of the pulse, has to Handy, ease of assessment on respiratory comfort.
Only a perfect balance of the respiratory act (the quantitative equality between the inspired and the exhaled air, we repeat ...) can give it a first, main condition of the repetition of the effort, in fact of the increasingly harsh conditioning of the body his on the road of performance
Recently, in an effort to verify the bio-functional balance in effort, Polar-Nokia has produced an astonishingly simple device by which the athlete has instant access to checking the pulse in the water in the immediate end of the effort . (see www..Polar.fi, PoolMate, Swimsmot, a.a)
I evoked this apparatus so much needed for sports training because in 1990, as a coach adviser to the Turkish Federative Federation, I addressed Seyko-Epson in Japan with the suggestion of realizing with existing electronic solutions and tools already a "robot coach" to give the athlete much of the data resulting from the effort and to allow a prediction of subsequent behavior (pauses, volume, intensity, etc.).
This company replied with a laudatory reply on two pages, and finally excused her saying that they could only put in production the projects launched by their research institute (+) assured me that my idea is very good but I can not accept (copy) anything from outside (!!) [to see and not to believe ...]; years have passed, the idea has been lost and now Polar-Nokia produced, independent of my story, another reliable version of this 'mini-robot'.
With this heart rate sensor (FC) and especially with the athlete's attention always being in a perfect respiratory balance during the effort, the second requirement that accompanies the achievement of "philosophical stone" can be achieved ...; is a migratory work that begins from the very first lessons of learning ... but which ultimately leads to that state of happiness, a tranquility that we noticed at elite athletes who, when they struggle with hard, a record, the TV picture shows us a quiet, peaceful person, opposed to the expectations of many (panting, tension, fatigue ...), clear sign that the one in question found the Stone .....
---------------------------------------
preamble
I built the answer to the first demand (BEST), with many searches and toil, which did not tire me - I liked it, especially when I found that the saying "great truths are simple" applies perfectly to my thoughts. ..
Not to be confused with an obscure plagiarist this is the list of published papers in which the idea, the future concept begins to catch, gradually life.
 Here's an extract from my CURRICULUM VITAE ....
1982 - Mircea Olaru - Swimming, methodical manual, ed. Sports- Tourism, pp.184-185
1983 - Mircea 0laru - Testing of Biomechanical Efficiency at Swimming, Rev EFS nr 3, pg 49-53
1987 - Mircea Olaru - Hierarchy of swimming performances, Rev EFS nr 2, p.27-30
1995 - Mircea Olaru - 4 Color Posters with Sports Swimming Technique & 'BEST' / FRN + Canada Swimming
1999 - Mircea Olaru - 8th National Conf. Sports Science, p.110; Referral-poster BST + IPA Slide Personal Index / IPA = L - (Kg. + Q) correlated to BEST = IPA - (T + M); FINA / TSC
* We have met the idea in 1999 to Americans: Emmett Hines, USA, Houston, in Fitness Swimming, 1995, ed. HK, London who calls the way to swim with few movements - Swimming Golf .., smart and fair!
 And the well-known coach Dick Hannulla in Coaching Swimming Successfully, page 78 (idem publishing house and year of publishing ...), makes some brief assessments of this relationship (note - their assessments are dated 1995 ... my appreciations are earlier, 80s, so they have moral primacy and it is a reality that honors me and honors the 'Romanian school of swimming' ... / I ask for forgiveness for this insent act - but we too have left us in the admiration of others and have neglected what was our...!!!]. So - Emmett's success is perfectly independent of that achieved by his honor and honor, we are for Dick Hannulla ....; a single, punctual, practical finding that separates us from me and puts me in front of these famous overseas specialists: Emmett - his method, forces him on the subject (the athlete in full effort ...) to get out of the water .... to move up to a panel, wall etc. ....., to look for some coordinates on the tables, the effort just finished. In our analysis of these coordinates, however, their calculation is strictly mental and mediated (you have to add the number of seconds with the number of movements, arms with the arms / attention - somebody still have to count them ...); the athlete is at rest, resting and analyzing the outcome of the meeting can appreciate quickly and without any other effort - how he evolved and can take measures to execute the next effort in even better conditions. But about these things we will talk about ....

13 Mai 2018, Bucuresti, Romania, selected from my swim-book "DESPPRE INOT".....



Sunday, April 29, 2018

OXIGENUL, INIMA SI ‘FORTAREA DE TIMPURIU’…



OXIGENUL, INIMA SI ‘FORTAREA DE TIMPURIU’…

Abstract…


 Pornind de la emailul trimis de dl. Dr. G. John Mullen, Canada,   (https://mail.yahoo.com/d/folders/1/messages/ACcnbzIJRSIcWuODzQ1CiMQjXs8),
mi-am adus aminte de prima mea lucrare (‘mai serioasa’…), INOT – Colectia- Manual metodic, ed. Sport-Turism, 1982 {redactor prof. Emilia Ivan si tehno red. Mihail Carciog*…, nume de referinta in materie si elevul meu Ionut Setran, garfician iscusit, ajuns peste ani, in  Italia, la FIAT, firma arhirecunoscuta, la Lab. Design a viitoarelor tipuri de masini…} (fig.1).


Scriu cu umilinta…, “prima mea lucrare mai serioasa’’, deoarece, din start vreau sa le multumesc, inca odata, mentorilor mei din editura (Boby Magda, Emilia Ivan, chiar si a celorlalti colegi din redactie) si regretatilor Ioan Dragan { acad. dr. , director al INMS Buc., care inca din anii ’50, era prezent la Cabinetul medical al bazinului Floreasca unde ne tot masura si diagnostica, noi, sportivii inocenti fiind aproape indiferenti la aceasta atat de necesara activitate – Controlul medico-sportiv} si Dr. Octavian Belea { sef sectie ORL Spitalul Coltea, un mare pasionat al inotului si mereu langa cei care sufereau de fel de fel de otite, des intalnire la cei care aveau deaface cu apa…}

Asa s-a intamplat, ca primul capitol din lucrarea evocata sa apartina, de fapt medicinei, {Dr. Ioan Dragan (Probleme medico-sportive, Influenta inotului asupra organismului, Selectia medico-biologica, Caracterizarea efortului la inot, Complexul Cardio-Respirator-Metabolic,Teste de evaluare a capacitatii de efort) si Dr. Oct. Belea (tabele II >VI - Boli frecvente intalnire la inotatori) si acest lucru se leaga onorabil cu lucrarea primita acum prin email, de la Dr. John Mullen.

Si acum 45 de ani… si recent – urmarirea si controlul medico-sportiv, a fost si este un capitol important in practica sportiva si a inotului, mai ales (o nota speciala, mai ales pentru fotbal, in  ultimii ani, au fost cateva evenimente tragice, chiar, in timpului unor meciuri oficiale…)

Am folosit asa de multa ‘munitie’/evocari autentice…, pentru a pune in discutie, in fatza celor interesati {parintii (!), antrenorii}, problema ‘fortarii nedorite, de timpuriu’, a celor din grupa de varsta de pana la 10-11 ani…., cu scopul de a starni interesul pentru o mai abila abordare a mijloacelor , a cailor implicate in dezvoltarea morfo-fiziologica prin inot a intregului organism, aflat in plina perioada de crestere, s.a.,
TOATE…,
versus necesitatea, cerinta, impusa de ‘Sistemul EFS.ro’, de a avea performante de nivel cat mai ridicat pe plan international, olimpic, mandria fiecarei natiuni….

Concret…

Pornind de la sigtama ‘inotul = arta de a respira’, atrag atentia :  chiar de la primele lectii si in continuare….,  inotatorului trebuie sa i se creeze  un automatism aparte dar firesc, privind problema respiratiei corecte.(Vedem la emisiunile tv., marii castigatori, termina intrecerea cu record, pe locul intai, etc…, deci cu un efort deosebit de mare…. si totusi ei, parca atunci au sarit in apa, nu dau semne de oboseala, nu respira greu, etc.)

Dece ?

1/ Regula nr. 1 a inotului (mai ales cand se ajunge la expresia ‘arta de a respira’…) este extrem de simpla –‘tragi un ‘chil’ de aer…., sufli tot un ‘chil’ de aer’; daca nu respecti, ad literam, aceata cerinta, oboseala va aparea rapid iar ceea ce va urma nu va fi o intrecere de inot ci o intrecere ‘cu sine’….., o ‘lupta’ acerba de a nu ceda in fata oboselii evidente (sa facem un mic test, nevinovat si nesportiv….: inspirati, adanc, acum, in fata calculatorului, etc., ‘o gura plina de aer’ si imediat expirati ‘neglijent’, o cantitate mai mica de aer fata de ce-ati inspirat anterior…, repetati testul si veti vedea ca dupa 2-3 miscari (la care, de fiecare data expirati mai putin decat ati inspirat…) apare gafaiala, oboseala fara a fi facut niciun efort fizic, etc.).

Asa ca regula numarul unul a inotului este nevoia de echilibru optim intre efort si oxigenul solicitat de efort….; nu mai trebuie sa dezvolt ce este cu nevoia (‘datoria’) de oxigen, de sangele care transporta acest oxigen etc., sunt lucruri bine cunoscute de fiecare antrenor sau parinte direct interesat….

2/ Acum apare elementul cel mai important in desfasurarea efortului: inima!
La cei mici, se remarca usor, ca adaptarea la eforturi mai mari este rezolvata de insasi ‘mama natura’ (mai toti copii sunt in permanenta miscare…), apoi apare antrenamentul, treptat obisnuirea cu maniera de a ’trage’, din rasputeri pentru a castiga intrecerea si nu sunt putine …..

In asemenea conditii, parintii, antrenorii se declara din ce in ce mai incantati de performantele odraslelor lor…., DAR dupa un interval de 2-3 ani incepe ‘drama’: multi copii simt ca nu mai pot progresa, 'el' - gloria familiei, este intrecut de colegi si cu toate stradaniile lui…, se simte depasit de cerinte, de situatie…., regretabil dar adevarat – el se indreapta treptat spre abandonarea 'inotului sau' atat de drag….


Copilul nu stie dar si chair cei mari din jurul sau nu cunosc cauza acestei ‘plafonari’ – ea se numeste ‘inima’; eforturile marite la care a tot fost supus organismul a demarat o crestere fireasca, fiziologica  a volumului inimii ( in medicina de obisnuieste si termenul ‘inima de bou’…), crestere care se manifesta atat la exterior…, dar, mai ales, nefast, la interior.

Astfel, ventricolele, auricolele inimii, locul de unde pleaca/vine neincetat sangele, aceste ‘camere’ devin tot mai mici, iar efectul de pomparea sangelui se diminuiaza fatza de cerintele efortului din ce in ce mai mare….

Medicina sportiva are in acest sens o serie de teste si aprecieri care permit conturarea unei ‘politici optime’ asupra marimii efortului fatza de capacitatea de efort, la un moment dat. (foto 1-12, autor Dr. Ioan Dragan+)














Pe scurt, 
este de preferat ca debutul in stagiul mai avansat ,de incepere a pregatirilor de ‘performanta’, INIMA sa nu fie marita iar valorile testelor de estimare a VO2 maxim sa fie la valori care permit sa se estimeze, pentru viitor, cresteri optime pentru eforturi din ce in ce mai mari.

Iata, in traducere cu ajutorul ‘Google translate’, deci cu acceptarea unor erori fatza de limba noastra (erori datorate mai ales terminologiei diferite sau a limbajului impanat de expresii pline de argou, fapt obisnuit in exprimarea americanilor…) a referatului trimis pe email de DR. John Mullen, Canada.


Care sunt consecintele legate de înotul pe distanțe medii(200, 400m*/MO) legate de cinetica de absorbție a oxigenului?

 by DR. GJOHN MULLEN 22 APRIL 2018 BIOMECHANICS, BLOG, DR. JOHN MULLEN,

rf: Cea mai recentă și cea mai mare sursă de comentarii/132 - actiuni asupra contextului privind cinetica VO2 (absorbția oxigenului).

Înălțarea la mijloc (Efortul de tip Mixt:anaerob/aerob) este un amestec unic (special) de exerciții anaerobe și aerobice. Acest amestec de intensitate moderată până la intensitate ridicată necesită coordonarea între sistemele cardiorespiratorii și cele musculare.

Se crede că cinetica VO2 mai rapidă și amplitudinea redusă a componentei lente sunt foarte corelate cu niveluri mai ridicate de fitness aerobic, îmbunătățind toleranța la oboseală. Spre deosebire de alte sporturi, performanța VO2max și înotul are o corelație mixtă. Eficiența înotului(…?) pare să aibă un predictor mai bun al performanței la înot decât VO2max, mai ales la înotul la mijloc (mai ales la efortul de timp mixt).

Un motiv pentru care VO2 max nu se corelează în mod direct, deoarece este posibil ca in constrângerile în (din) fluxul sanguin / transportul oxigenului și/sau în activitatea de respirație mai mare în timpul înotului să poată fi responsabile de diferențele importante în cinetica VO2 față de cele care au fost raportate pentru exercițiul vertical (testele de laborator).

Acești cercetători au căutat să determine măsura în care parametrii kinetici VO2 măsurați în timpul tranzițiilor de undă pătrată (testele de laborator) de la exercițiul (nivelul) de odihnă (repaos) până la intensitatea intensă a înotătorilor sunt corelați cu performanța în înălțime la mijloc (performanta maxima in effort de tip Mixt).

Ce sa făcut (descrierea testarilor- nu ne-ar interesa prea mult…)

Patruzeci de înotători foarte instruiți au efectuat 3 sesiuni de testare cu o odihnă de cel puțin 24 de ore. Anchetatorii au dictat viteza prin feedback acustic la fiecare 25 metri. Analiza cardiopulmonară a fost efectuată printr-un snorkel și sistemul K4b2. S-au înregistrat lactatul din sânge și frecvența cardiacă.
Înotătorii au efectuat mai întâi 5 × 200 de metri, cu 30 de secunde (pauza), până la epuizare, pentru a determina atât pragul de ventilație cât și absorbția maximă de oxigen. Viteza primelor (repetari de) 200m a fost de 60% din cel mai bun (timp) personal pe 200 de metri, cu 5 - 10% incremente între 200 de ani, cu a cincea fiind viteza maximă.(???) În continuare, înotătorii au efectuat trei curse de înot de viteză constante de 6 minute, corespunzând unui prag de ventilație de 80% la 25% [VT + 0,25x (V · O2max - VT)] (H) și la 70%
Rezultate
Singurul predictor cel mai bun al performanței variabilelor evaluate a fost cinetica VO2.
Concluzie
Principala constatare a fost că cinetica VO2 a fazei primare a fost asociată cu performanța în timpul înotului cu intensitate ridicată. Concret, constanta de timp de 63% în timpul tranzițiilor (repetarilor) grele și severe ( cu effort Mixt si intensitate mare)  a fost corelată în mod pozitiv cu timpul de finalizare a celor de 400m.
Implicații practice
Acest lucru sugerează că VO2kinetics este cel mai bun predictor al performanței pentru performanța în înălțime la mijloc (inot de nivel Mixt/200m). Viteza la care înotătorul poate crește consumul de oxigen la câteva secunde după începerea exercițiilor de intensitate ridicată pare să fie importantă în cazul evenimentelor (repetarilor) la distanțe medii.
Acest studiu nu se uită (nu exclude) la metodele de antrenament pentru a îmbunătăți cinetica VO2, prin urmare aplicațiile (verificarile) practice sunt necesare pentru a determina care (cum) influențează cinetica VO2 pentru freestyle de mijloc (probele de 200/400m inot craul) .

Referinţe:
1.       Reis JF, Alves FB, Bruno PM, Vleck V, Millet GP. Oxigenul de absorbție cinetică și de înălțime la mijloc de performanță. J Sci Med Sport. 2012 Jan; 15 (1): 58-63.

Referat inițial postat in iunie 2012


How is Middle Distance Swimming Related to Oxygen Uptake Kinetics?
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SHARES
Background on VO2 (Oxygen Uptake) Kinetics 
Middle distance swimming is a unique blend of anaerobic and aerobic exercise. This mix of moderate to high intensity requires coordination between the cardiorespiratory and muscular systems.
It is believed the faster VO2 kinetics and reduced amplitude of the slow component are highly correlated with higher levels of aerobic fitness, improving fatigue tolerance. Unlike other sports, VO2max and swimming performance has a mixed correlation. Swimming efficiency seems to have a better predictor of swimming performance than VO2max, especially in middle distance swimming.
One reason VO2 max does not directly correlate as it is possible that constraints in blood flow/oxygen transport and/or greater respiratory work during swimming could be responsible for important differences in VO2 kinetics from those that have been reported for upright exercise.
These researchers looked to determine the extent to which VO2 kinetics parameters measured during square-wave transitions from rest to high-intensity swimmer exercise are related to middle distance swimming performance.
What was done
Fourteen highly trained swimmers performed 3 testing sessions with at least 24-hour rest. The investigators dictated the speed via acoustic feedback at every 25th meter.
The cardiopulmonary analysis was performed through a snorkel and the K4b2 system. Blood lactate and heart rate were recorded.
The swimmers first performed 5×200 meters with 30 seconds rest to exhaustion to determine both the ventilatory threshold and maximal oxygen uptake. The speed of the first 200 was 60% of personal best 200 meters with 5 – 10% increments between 200s with the fifth being maximal speed.
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Next, the swimmers performed three 6-min constant velocity swimming bouts corresponding to 80% ventilatory threshold to 25%[VT + 0.25x(V˙ O2max − VT )] (H) and to 70%(S),
Results
The single best predictor of performance of the variables assessed was VO2 kinetics.
Conclusion
The main finding was VO2 kinetics of the primary phase were associated with performance during high-intensity swimming. Specifically, time constant 63% during heavy and severe-intensity transitions was positively correlated with the time to complete the 400 meter.
Practical Implication
This suggests VO2kinetics is the best predictor of performance for middle distance swimming performance. The velocity at which the swimmer can increase oxygen consumption a few seconds after the beginning of high-intensity exercise seems to be important in middle distance events.
This study does not look at training methods to improve VO2 kinetics, therefore practice applications are required to determine which influence VO2 kinetics for middle distance freestyle.
Reference:
1.      Reis JF, Alves FB, Bruno PM, Vleck V, Millet GP. Oxygen uptake kinetics and middle distance swimming performance. J Sci Med Sport. 2012 Jan;15(1):58-63.
Originally Posted June 2012
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Inchei acest material cu continut orientativ metodic-organizatoric cu rugamintea de a fi bine inteles - inotul poate deveni cel mai minunat mod de ati petrece, cu folos in viitor, copilaria, adolescenta..., dar noi  cei maturi, responsabili trebuie sa fim prudenti si rabdatori - acumularile optime, specifice fiecarui nivel al vastei biologice trebuie bine ales pentru a nu forta, prematur, functiunile bio-motrice ale organismului !

iata un exemplu clasic despre 'destinul' unui 'copil minune' in urma cu cativa ani: Emily avea la 6 ani niste performante incredibile...., in urmatorii ani a evoluat conform asteptarilor iar dupa cativa ani,ea nu a mai aparut in topul celor mai buni (am insemnat cu pixul, in paranteze -locul in ierarhia momentului + am afcut , tot  cu pixul transformaera performantelor realizate in yarzi> metri, pentru o mai buna intelegere a cazului

Avem si noi situatii asemanatoare - in 2010 la un mare concurs au participat cca 300 de copii...., ani au trecut si, la ora actuala, din cei zeci de campioni si medaliati 1 (UNU singur) este inca prezent in top _ "americanul'' Ungur Catalin, coleg de echipa romaneasca cu Roby Glinta..., atentie deci, am muncit pe degeaba cu sute sau chiar mii de copii 'campioni'... si nu raman in varful ierarhiei decat foarte putini; fenomenul este cunoscut de tarile avansate in inot si asemenea  concursuri au disparut. Toti asteapta ca jucausii si dragutii copilasi, care se straduie sa invete bine a inota, sa ajunga la pubertate si de acolo sa inceapa 'asaltul cel mare'....

Dedic acest articol regretatului meu prieten si indrumator, cel care, de curand a trecut 'dincolo' - Dumnezeu sa-l odihneasca, Amin !

Este vorba de prof. Octavian Mladin, Cluj,  Maestru al sportului, Antrenor emerit a zeci de campioni si recormeni si un tata minunat pentru cei doi copii si ei fosti campioni de inot, Clujul a pierdut un mare suflet a inotului.....