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A jump is the result of triple extension: the simultaneous and explosive extension of the hips, knees, and ankles. Whether youāre watching an Olympic weightlifter perform a clean, a sprinter take off down the track, or a basketball player go up for a dunk, triple extension is the driver.
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Below are the muscles that make it possible.
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āGlutesĀ (gluteus maximus, gluteus medius), for hip extension
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āQuadricepsĀ (vastus lateralis, intermedius, and medialis; rectus femoris), for knee extension
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āHamstringsĀ (bicepsĀ femoris, semimembranosis, semitendonosis), for hip extension, knee flexion, and absorbing landings.
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āCalvesĀ (gastrocnemius, soleus), for ankle extension (plantarflexion) āAbdominals and coreĀ (transverse abdominis, rectus abdominis, internal and external obliques, erector spinae), for trunk stability
The e...
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