| The aim of this study was to investigate the effect of 6 wk of
whole body vibration (WBV) training on sprint running kinematics and
explosive strength performance. Twenty-four volunteers (12 women and
12 men) participated in the study and were randomised (n = 12) into
the experimental and control groups. The WBV group performed a 6-wk
program (16-30 min·d-1, 3 times a week) on a vibration platform. The
amplitude of the vibration platform was 2.5 mm and the acceleration
was 2.28 g. The control group did not participate in any training.
Tests were performed Pre and post the training period. Sprint running
performance was measured during a 60 m sprint where running time,
running speed, step length and step rate were calculated. Explosive
strength performance was measured during a counter movement jump (CMJ)
test, where jump height and total number of jumps performed in a period
of 30 s (30CVJT). Performance in 10 m, 20 m, 40 m, 50 m and 60 m improved
significantly after 6 wk of WBV training with an overall improvement
of 2.7%. The step length and running speed improved by 5.1% and 3.6%,
and the step rate decreased by 3.4%. The countermovement jump height
increased by 3.3%, and the explosive strength endurance improved overall
by 7.8%. The WBV training period of 6 wk produced significant changes
in sprint running kinematics and explosive strength performance.
KEY
WORDS: Sprinting kinematics, explosive strength, counter-movement
jump, strength training.
|