What takes place during the eccentric contraction phase of plyometric training? 1: The foot lands on the ground and the ground reaction force causes the muscles and tendons to go into concentric contraction.
2: The foot leaves the ground, powered by the ground reaction force and the muscles of the athlete.
3: The foot lands on the ground and the ground reaction force starts stretching the muscles and tendons.
4: The foot leaves the ground, powered by the ground reaction force only.

the answer is 3

Explanation:

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fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.