Jumping on an elastic exercise develops get stronger.

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Photo credit: © Aliaksandr Klapkou / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: active, activity, aerobics, athlete, bounce, elastic, energy, equipment, exercise, fitness, gym, health, healthy, jump, leap, leg, mini, movement, muscle, physical, rebounder, sport, training, trampoline, workout