Question

when the leg bend backwards, what action does carried out by muscle​

Answer 1

Explanation:

दोस्ती किस से न थी किस से मुझे प्यार न था, जब बुरे वक़्त पे देखा तो कोई यार न था।

Answer 2

Answer:

The hamstring muscles in the back of your thigh contract to bend your knee and swing your leg backward

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