Multiple Choice
Which of the following exemplifies a second-class lever in the human body?
A) Plantar flexion of the ankle to raise the body on the toes
B) When the iliopsoas is used to flex the thigh at the hip
C) The biceps brachii
D) When the hamstrings contract to flex the leg at the knee in a standing position
Correct Answer:
Verified
Correct Answer:
Verified
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