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Michael G. Miller, David C. Berry, Susan Bullard and Roger Gilders

Context:

Land and aquatic plyometrics have clinical relevance for exercise, sport performance, and rehabilitation, yet study is limited comparing both.

Objective:

To compare the effects of land-based and aquatic-based plyometric-training programs on performance variables, muscle soreness, and range of motion (ROM).

Setting:

Aquatic facility and biomechanics laboratory.

Subjects:

Forty subjects randomly assigned to 3 groups: land (n = 13), water (n = 13), and control (n = 14).

Main Outcome Measures:

Performance variables, muscle soreness, and ROM were measured before and after an 8-week training period. An analysis of covariance (ANCOVA) and a Bonferroni post hoc test determined significance.

Results:

ANCOVA revealed significant differences between groups with respect to plantar-flexion ROM (P < .05). Paired t test determined that the aquatic group significantly increased muscle power pretest to posttest (P < .05).

Conclusions:

Results indicate that aquatic plyometric training can be an alternative approach to enhancing performance.