全蹲腿大腿接近脚跟，另一腿接近地面仆直，两脚脚跟不得离地。
Bend thigh to horizontal level, heel should not leave the floor and the other tiptoe touch the floor.
然而，按照排球运动员起跳时的屈伸膝幅度，全蹲时的伸膝力量远不是最大的。
However, at the range of joint motion specific to a volleyball takeoff, the leg extension force generated during full squats is far from maximal.
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