Anatomy & Physiology Musculoskeletal #26

Question

Which joint and muscular movement entails circular movement in addition to movement away from the center of the client’s body?

Answers

  1. Rotation
    • Rationale:

      Rotation is defined as the circular movement of a muscle or joint that allows the body part to move in a circular manner. However, rotation does not include movement away from the center of the body.

  2. Circumduction
    • Rationale:

      Circumduction is defined as the joint or muscular movement that entails a complete 360 degree motion.

  3. Internal rotation
    • Rationale:

      Internal rotation entails joint and muscle movement that is circular and movement towards (not away from) the center of the body.

  4. External rotation
    • Rationale:

      External rotation entails circular movement in addition to movement away from the center of the body; therefore, this is the type of movement described for this question.

Overview

Range of motion (ROM) is the term that describes the specific movements or motions that each muscle is capable of performing.

Explanation

Learning Outcomes

Muscles throughout the body are capable of many different movements or motions. Many muscle movements may be described in reference to the planes of the body. In addition, these movements may also be related to changes from the normal anatomical position. Other descriptions simply describe a given movement. External rotation entails circular movement in addition to movement away from the center of the body.

Test Taking Tip

Consider the definition for each answer choice to answer this question correctly.

Video Rationale