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Muscles Page 2
Muscles
13
Anatomy
Undergraduate 1
11/07/2007

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Cards

Term
Sternocleidomastoid
Definition
A: Flex neck, rotate/turn head
O: sternum, clavicle
I: mastoid process
Term
Platysma
Definition
A: Tenses skin of neck
O: Superior Thorax
I: Mandible and cheek
Term
Semispinalis capitis
Definition
A: Extend head
O: processes lower cervical and upper thoracic vertebrae
I: Occipital bone
Term
Splenius capitis
Definition
A: Extend head
O: Spinous processes/ligament
I: Mastoid process
Term
Trapezius
Definition
A: Elevates clavicle
O: Occipital bone, all cervical and thoracic vertebrae
I: clavicle, scapula
Term
Latissimus dorsi
Definition
Extends, adducts and medially rotation shoulder
O: Lower thoracic vertebrae
I: Humerus - intertubercular groove
Term
Teres major
Definition
A: Extension, adduction and medial rotation of shoulder
O: Inferior angle of scapula
I: Humerus - intertubercular groove
Term
Teres minor
Definition
A: Lateral rotation at shoulder
O: Lateral border scapula
I: grater tubercle - humerus
Term
Infraspinatus
Definition
A: Lateral rotation at shoulder
O: Infraspinous fossa - scapula
I: Greater tubercle - humerus
Term
Supraspinatus
Definition
A: Abduction at shoulder
O: Supraspinous fossa - scapula
I: greater tubercle - humerus
Term
Deltiod
Definition
A: Abduct, flex, extends, rotates shoulder
O: Clavicle, scaupla
I: Humerus
Term
Pectoralis major
Definition
A: Flex, adduct and medial rotation at shoulder
O: clavicle, sternum
I: humerus - greater tubercle and intertubercular groove
Term
Pectoralis minor
Definition
A: Depress and protract shoulder
O: Ventral surfaces of ribs 3-5
I: Coracoid process - Scapula
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