The effect of short-term isokinetic training on force and rate of velocity development.
This study determines the effects of short-term isokinetic training on rate of velocity development (RVD) and force. Three groups were pre- and posttested for knee extension RVD and force at 1.04 (slow) and 4.18 rad.s(-1) (fast) on a Kin-Com dynamometer. The slow and fast groups completed 2 days of velocity-specific training, whereas the control group did not train. Four-way analysis of variance results demonstrated significant (p < 0.05) decreases in RVD between pre- and posttests for the slow group at the slow velocity (RVD-1.25 +/- 0.04 degrees vs. 1.08 +/- 0.03 degrees ) and for the fast group at the fast velocity (RVD-14.24 +/- 0.33 degrees vs. 13.59 +/- 0.29 degrees ). Force exhibited no significant differences between testing days for any group. These results demonstrate that short-term isokinetic training results in velocity-specific RVD improvements. These acute RVD improvements may serve to offset strength deficits in power environments on the basis of the mutable relationship between force and velocity.
Brown
Lee  E
L
Human Performance Laboratory, Arkansas State University, State University, Arkansas 72467, USA. leebrown@fullerton.edu
Whitehurst
Michael
M
D000328:Adult; D000704:Analysis of Variance; D001696:Biomechanical Phenomena; D005260:Female; D006801:Humans; D007866:Leg; D008297:Male; D009119:Muscle Contraction / Q000502:physiology*; D018482:Muscle, Skeletal / Q000502:physiology*; D010806:Physical Education and Training / Q000379:methods*; D014891:Weight Lifting / Q000502:physiology