ACSM-CPT ACSM-CPT Anatomy and Biomechanics 2

Question 1

Which joint type allows the greatest range of motion in multiple planes?

Accepted Answer

Ball-and-socket joint

Answer

Ball-and-socket joints, such as the hip and shoulder, allow multiplanar movement including flexion, extension, rotation, and circumduction.

Question 2

The quadriceps femoris group is composed of how many muscles?

Accepted Answer

Four

Answer

The quadriceps femoris consists of four muscles: rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius.

Question 3

Which structure connects muscle to bone?

Accepted Answer

Tendon

Answer

Tendons are dense connective tissue structures that attach skeletal muscle to bone and transmit contractile forces.

Question 4

During a lateral lunge, which plane of motion is primarily involved?

Accepted Answer

Frontal

Answer

A lateral lunge involves side-to-side movement, which primarily occurs in the frontal plane.

Question 5

Which muscle group is the primary antagonist to the quadriceps during knee extension?

Accepted Answer

Hamstrings

Answer

The hamstrings are the primary antagonists to the quadriceps because they oppose knee extension by performing knee flexion.

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