Levator scapulae action includes elevating the scapula. Which concurrent motion does it perform?

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Enhance your understanding of back muscles with multiple choice questions and detailed explanations. Study the origin, insertion, action, and innervation of each muscle to get ready for your exam!

Multiple Choice

Levator scapulae action includes elevating the scapula. Which concurrent motion does it perform?

Explanation:
Levator scapulae mainly elevates the scapula, and it also causes downward (inferior) rotation of the scapula. This means as it lifts the shoulder blade, it twists the scapula so the glenoid cavity faces slightly downward, helping position the arm for overhead or reaching activities while keeping the shoulder aligned. It does not depress, protract, or retract the scapula—those actions are produced by other muscles like pectoralis minor, serratus anterior, and the rhomboids/middle trapezius, respectively.

Levator scapulae mainly elevates the scapula, and it also causes downward (inferior) rotation of the scapula. This means as it lifts the shoulder blade, it twists the scapula so the glenoid cavity faces slightly downward, helping position the arm for overhead or reaching activities while keeping the shoulder aligned. It does not depress, protract, or retract the scapula—those actions are produced by other muscles like pectoralis minor, serratus anterior, and the rhomboids/middle trapezius, respectively.

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