HMS, BM EQ-Bank 104 MC

During a sprinting action, what is occurring in the quadriceps and hamstrings?

Both muscles contract concentrically
Both muscles contract eccentrically
Quadriceps contracts concentrically while hamstrings relax
Quadriceps contracts concentrically while hamstrings contract eccentrically

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\(D\)

Show Worked Solution

D is correct: During sprinting, the quadriceps shortens to extend the knee while the hamstrings lengthens to control the movement.

Other Options:

A is incorrect: Both cannot shorten simultaneously
B is incorrect: Both cannot lengthen simultaneously
C is incorrect: Hamstrings must control leg movement