Question

multiple choice (1 point each)
which of the following best defines biomechanics?
a. the study of heart rate during activity
b. the study of body movements and the forces acting upon them
c. the study of muscle soreness
d. the study of dietary habits in athletes
during a squat, which joint action is occurring at the knee when standing up?
a. flexion
b. extension
c. abduction
d. adduction

Explanation:

Biomechanics focuses on the study of body - movements and the forces acting on them. When standing up from a squat, the knee joint straightens, which is an extension movement.

Answer:

1. B. The study of body movements and the forces acting upon them
2. B. Extension