Does individual-specific strength training have an effect upon knee muscle strength balances? Knee muscle strength
Serkan Ibis1, Zait Burak Aktuğ, Ruchan Iri
1Omer Halisdemir University, School of Physical Education and Sports, Nigde, Turkey.
Objectives:
The purpose of the study was to investigate the effect of 8-week individual-specific strength exercises on knee muscle strength balance.
Methods:
Totally 42 male voluntary amateur soccer players participated in the study. The players were categorized into 3 groups with 14 members in each one; the control group (CG), maximal strength training group (STG) and individual-specific strength training group (ISTG). The players in both STG and ISTG performed strength exercises for lower extremity for 3 days per week for 8 weeks. Dominant (D) and non-dominant (ND) leg concentric extension and concentric flexion of the players were determined by means of isokinetic dynamometer called 'Biodex' at 60°s-1, 180°s-1 and 300°s-1 angular velocities. Wilcoxon test was conducted to determine the differences between pre-test and post-test of the groups.
Results:
Dominant and non-dominant leg H/Q ratio was specified to increase in ISTG at 60°s-1, 180°s-1 and 300°s-1 angular velocities (p<0.05). Although no statistically significant difference was found in terms of bilateral deficit in any groups, BLD was noticed to decrease significantly in dominant and non-dominant legs in ISTG group.
Conclusions:
As a result, it was determined that in STG and ISTG considering the strength deficits of the athletes was to increase the H/Q ratio and reduce BLD, yet the H/Q ratios and BLD yielded a better improvement in ISTG, and thus leading a more effective method in individual training.
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