Upper Limb Muscles Quiz

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5 Questions

Which muscle is responsible for lifting the arm away from the body?

Deltoid

Which muscle is the largest in the rotator cuff group and crucial for stabilizing and rotating the shoulder?

Subscapularis

Which muscle assists in externally rotating the arm at the shoulder joint?

Infraspinatus

Which muscle is a powerful adductor of the arm at the shoulder joint, bringing the arm toward the body?

Teres major

Which muscle is crucial for stability and posture in the upper limbs?

Deltoid

Study Notes

Muscles of the Shoulder

  • The deltoid muscle is responsible for lifting the arm away from the body.

Rotator Cuff Muscles

  • The supraspinatus muscle is the largest in the rotator cuff group and is crucial for stabilizing and rotating the shoulder.

External Rotation

  • The infraspinatus muscle assists in externally rotating the arm at the shoulder joint.

Adduction of the Arm

  • The pectoralis major muscle is a powerful adductor of the arm at the shoulder joint, bringing the arm toward the body.

Posture and Stability

  • The trapezius muscle is crucial for stability and posture in the upper limbs.

Test your knowledge of limb muscles with this quiz. Learn about the major muscles in the upper limbs, such as the deltoid, and their functions in movement and stability. This quiz will help you understand the role of limb muscles in posture and physical activity.

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