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+50 Muscles of the Neck, Back and Trunk: Muscle name on one side; it's origin, insertion, function and nerve on the other

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Serratus posterior superior:

Origin: Spinous processes of C7-T3 Insertion: Ribs #2-5 (close to their angle and close to medial border of scapula) Function: (1) 1. Elevation of ribs #2-5 @ sternocostal and costospinal joints Nerve: Intercostal nerves (T2-T5) (ventral (ant.) rami of the thoracic spinal nerves)

Pectoralis major

Origin: Clavicular head: Medial half of clavical Sternocostal head: Sternum and costal cartilages of ribs #1-7 (all ribs attached to sternum) Costal head: Abdominal aponeurosis Insertion: Lateral lip of intertubercular (bicipital) sulcus of humerus Function: (5) 1. Flexion of arm @ shoulder joint (clavicular head) 2. Extends the flexed arm @ shoulder joint (sternocostal head) 3. Adduction of arm @ the shoulder 4. Horizontal adduction (flexion) of arm @ shoulder joint 5. Medial rotation of arm @ shoulder joint Nerve: Medial and lateral pectoral nerves

Pectoralis minor

Origin: Ribs #3-5 Insertion: Coracoid process of the scapula Function: (3) 1. Protraction (abduction) of scapula @ scapulocostal joint 2. Downward rotation of scapula @ scapulocostal joint 3. Elevation of ribs #3-5 @ sternocostal and costospinal joints (during forced inhalation when scapula is fixed) *4. Depression of scapula @ scapulocostal joint Nerve: Medial pectoral nerve

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Institution
West Coast College of Massage Therapy
Study
Registered Massage Therapy
Module Unknown

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ALL Muscles of the Neck, Back and Trunk: Origin, Insertion, Function(s) and Nerve

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This is the complete list of muscles in the neck, abdomen and back including the origin, insertion, functions and nerve of each one.

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