asked 32.0k views
5 votes
Which is an example of muscles working against each other to contract and extend?

A. biceps and triceps
B. latissimus dorsi and biceps
C. trapezius and quadriceps
D. hamstring and trapezius

1 Answer

6 votes
a. biceps and triceps im pretty sure
answered
User Onki
by
8.9k points
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