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Origin and Insertion

Terms in this set (15)

Origin: base of skull, occipital protuberance, posterior ligament of neck
Insertion: Posterior aspect of lateral 3rd clavicle

Lecator Scapulae

Origin: 1st 4 vertebrae
Insertion: medial border of scapula

Origin: spinous process of last cerbical and 1st thoracic vertebrae (minor), T2-T5 (major)
Insertion: medial side of scapula

Serratus Anterior

Origin: surface of lateral side of upper 9 ribs
Insertion: anterior aspect of whole length of scapula

Pectoralis Minor

Origin: anterior surfaces of 3rd to 5th ribs
Insertion: coracoid process of scapula

Origin: superior aspect of 1st rib at its junction with its costal cartilage
Insertion: inferior groove in the mid portion of the clavicle

Origin: anterior lateral 3rd of clavicle, lateral aspect of acromion, inferior edge of spine of scapula
Insertion: deltoid tuberosity on lateral humerus

Pectoralis Major

Origin: medial half of anterior surface of clavicle, anterior surface of costal cartilages of 1st 6 ribs, adjoining portion of sternum
Insertion: first tendon 2 or 3 inches wide of lateral tip of intertubercular groove of humerus

Latissimus Dorsi

Origin: posterior crest of ilium, back of sternum, and spinous processes of lumbar and lower 6 thoracic vertebrae, slips from lower 3 ribs
Insertion: medial lip of intertubercular groove of humerus

Origin: inferior 3rd of lateral border of scapula
Insertion: medial lip of the intertubercular groove

Coracobrachialis

Origin: coracoid process of the scapula
Insertion:middle of medial border of humeral shaft

Origin: entire anterior surface of subscapular fossa
Insertion: lesser tubercle of humerus

Origin: medial 2/3 of supraspinatus fossa
Insertion: superiorly on greater tubercle of fossa

Origin: posterior surface of scapula below spine
Insertion: greater tubercle on posterior side

Origin: posterior scapula, lateral border
Insertion: greater tubercle of humerus on posterior side

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