Why are flexors and extensors considered antagonistic muscles?
A. One muscle group exerts a pulling force while the other exerts a pushing force.
B. Both muscle groups exert only a pulling force when they contract, but they produce opposing movements of the joint.
C. Hypertrophy of one muscle group induces atrophy of the other muscle group.
D. Both muscle groups bend a limb at the joint, but each can only contract while the other extends.
B. Both muscle groups exert only a pulling force when they contract, but they produce opposing movements of the joint.
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