17
Blood Lactate Increase During the Force Velocity Exercise Test J. Mercier, B. Mercier, C. Prefaut Service d'Exploration de Ia Fonction Respiratoire, Hôpital Aiguelongue, Avenue dii Major Flandre, Montpellier, France
Subsequently, numerous authors interested particularly in the J. Mercier, B. Mercier and C. Prefaut, Blood Lactate Increase During the Force Velocity Exercise Test. IntJSportsMed,Vol 12,No 1,pp 17—20,1991.
relation between braking force and peak velocity have improved the method (14, 15, 19), the most frequently used test being the "force velocity test" (17, 22,24). Due to the briefness of each sprint (5 to 7 s), and its high correlation with the vertical jump test (23), this test has been considered anaerobic alactic.
However, recent studies based on muscular biopsies done
Accepted after revision: March II, 1990
after ten seconds of supramaximal exercise (8, 9) have demonstrated that the lactate level was already increased at the tenth
Venous blood lactate concentration was
second of exercise. It is therefore likely that the six-second sprints already drew energy from lactic metabolism. Even if one sprint does not immediatly stimulate lactic metabolism
measured during the force velocity exercise test in order to determine whether this test is strictly alactic or whether it
draws upon lactic anaerobic metabolism. Nine trained male subjects, aged from 23 to 29 years, participated in this study. Two blood samples were drawn at rest, and then for each work load (1 kg to 10kg): at the end of each sprint (Si) minute of recovery (S2). From the first braking and at the
force, venous blood lactate concentration increased very significantly during the force velocity test (p < 0.001) and, once the peak of power has been obtained, the venous blood lactate concentration remained steady. The lactate
and increase blood lactate concentration, it is possible that this occurs after a repetition of sprints.
The aim of this study was to determine if the force velocity test was strictly alactic, and if so, whether it draws upon lactic metabolism immediatly or only after the repetition of sprints.
Material and Methods
increase for each load ([LAJ) decreased significantly (p
Blood Lactate Increase During the Force Velocity Exercise Test J. Mercier, B. Mercier, C. Prefaut Service d'Exploration de Ia Fonction Respiratoire, Hôpital Aiguelongue, Avenue dii Major Flandre, Montpellier, France
Subsequently, numerous authors interested particularly in the J. Mercier, B. Mercier and C. Prefaut, Blood Lactate Increase During the Force Velocity Exercise Test. IntJSportsMed,Vol 12,No 1,pp 17—20,1991.
relation between braking force and peak velocity have improved the method (14, 15, 19), the most frequently used test being the "force velocity test" (17, 22,24). Due to the briefness of each sprint (5 to 7 s), and its high correlation with the vertical jump test (23), this test has been considered anaerobic alactic.
However, recent studies based on muscular biopsies done
Accepted after revision: March II, 1990
after ten seconds of supramaximal exercise (8, 9) have demonstrated that the lactate level was already increased at the tenth
Venous blood lactate concentration was
second of exercise. It is therefore likely that the six-second sprints already drew energy from lactic metabolism. Even if one sprint does not immediatly stimulate lactic metabolism
measured during the force velocity exercise test in order to determine whether this test is strictly alactic or whether it
draws upon lactic anaerobic metabolism. Nine trained male subjects, aged from 23 to 29 years, participated in this study. Two blood samples were drawn at rest, and then for each work load (1 kg to 10kg): at the end of each sprint (Si) minute of recovery (S2). From the first braking and at the
force, venous blood lactate concentration increased very significantly during the force velocity test (p < 0.001) and, once the peak of power has been obtained, the venous blood lactate concentration remained steady. The lactate
and increase blood lactate concentration, it is possible that this occurs after a repetition of sprints.
The aim of this study was to determine if the force velocity test was strictly alactic, and if so, whether it draws upon lactic metabolism immediatly or only after the repetition of sprints.
Material and Methods
increase for each load ([LAJ) decreased significantly (p
