A member asked:

Hard lump in the middle of a crater in the muscle under skin on inner back thigh. any idea?

A doctor has provided 1 answer
Dr. Rowlin Lichter answered

Specializes in Orthopedic Surgery

Torn muscle: A torn hamstring muscle will retract and cause a defect. At either end there will be a lump of retracted muscle. Warm up before exercise. This is caused by sudden severe stress on the muscle w/o being warmed up.

Answered 3/18/2016

1.5k views

Thank

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