Effect of 6-Week Aquatic and Land Based Plyometric Training on Lower Limb Strength and Bilateral Strength Imbalance among Recreational Basketball Players

Teoh, Ching Yee (2019) Effect of 6-Week Aquatic and Land Based Plyometric Training on Lower Limb Strength and Bilateral Strength Imbalance among Recreational Basketball Players. Final Year Project (Bachelor), Tunku Abdul Rahman University College.

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Abstract

The purpose of this study was to examine the effect of plyometric training (aquatic-based and land-based) on lower limb strength and bilateral strength imbalance among recreational basketball players. A total of 20 recreational basketball players were recruited (age: 21.70 ± 1.34; height: 170.05cm ± 8.42; weight: 66.09kg ± 14.71) in this study. Subjects were divided into three groups (control group: CG, N = 7; aquatic group: AG, N = 7; land group: LG, N = 6). AG and LG were involved in the 6-week plyometric training programme, 2 days per week while CG did not participate in the 6-week plyometric training programme. Three groups were required to complete pre-test before the intervention and post-test after the 6-week intervention. The test involved leg strength test and bilateral leg strength imbalance test by using Isokinetic (CSMI) Humac Norm with two different velocity (60·s-1 and 180·s-1). The data were analyzed using one-way anova and paired-sample t-test. Results showed that there were no significant differences in the post-test of leg strength test and bilateral leg strength imbalance test (p > .05). Aquatic group showed significant difference in leg strength test 60·s-1 (flexors - left), 180·s-1 (extensors – right and left) and 180·s-1 (flexors – right and left) with p < .05. Land group demonstrated significant difference in leg strength test 60·s-1 (flexors - left) with p < .05. Both aquatic group and land group had significant difference in bilateral leg strength imbalance test 60·s-1 (flexors) with p < .05. In conclusion, both aquatic group and land group improved leg strength and restored the asymmetries of bilateral leg strength imbalance.