ACSM Personal Trainer

Category - Initial Client Consultation and Assessment

In what plane and axis does the movement of extension occur?
  1. Sagittal plane, longitudinal axis
  2. Frontal plane, mediolateral axis
  3. Sagittal plane, mediolateral axis
  4. Transverse plane, anteroposterior axis
Explanation
Answer: C - Extension occurs in the sagittal plane around the mediolateral axis. This movement is the opposite of flexion and increases the joint angle.
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