Apostils Apostils

09-07-2019
Biology

contestada

When the quadriceps contact what also must happen at the same time?

A. The gastrocnemius must contract.

B. The hamstrings must relax.

C. The hamstrings must contact.

D. The gastrocnemius must relax.

Respuesta :

madison3395 madison3395

09-07-2019

Answer:

B. The hamstrings must relax.

Explanation:

When the quadriceps contact, the hamstrings must relax at the same time.

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