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cadaver muscles pg1
origin insertion action
19
Anatomy
Undergraduate 1
04/24/2014

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Cards

Term
1d
Definition
M: depressor anguli oris
A:pulls corner of mouth downward (frown)
Term
2d
Definition
M:frontalis
A: raises eyebrows
Term
3d
Definition
M:corrugator superchilii
A:furrows brow
Term
4d
Definition
M:buccinator
A:compresses cheek as in blowing or sucking
Term
5d
Definition
M:mentalis
A: elevates and protrudes lower lip; pull chin skin into pout
Term
6d
Definition
M:orbicularis oculi
A: closes eyes
Term
7d
Definition
M:orbicularis oris
A: closes protrudes lips, shapes lips during speech
Term
8d
Definition
M: platysma
A: draws lower lip downward and backwards (pouting)
Term
9d
Definition
M: risorius
A: draws angle of mouth laterally as in tenseness
Term
10d
Definition
M: zygomatic major
A: draws angle of mouth upward(smiling)
Term
11d
Definition
M: masseter
O:maxilla and zygomatic arch
I: ramus of mandible
A: elevates and protrudes mandible
Term
12d
Definition
M: temporalis
O: parietal bon
I: coronoid process of mandible
A: elevates and protrudes mandible
Term
1t
Definition
M: sternocleidomastoid
O: sternum and clavicle
I: mastoid process
A: flexion and rotation of head
Term
3t
Definition
M: pectoralis minor
O: ribs 3-5
I: coracoid process of scapula
A: pulls scapula anteriorly
Term
8t
Definition
M: trapezius
O: spine of 7th cervical and all thoracic vertebrae
A: elevates adducts and depresses scapula
Term
19t
Definition
M: serratus anterior
Term
10a
Definition
M: deltoid
O: acromion process and spine of scapula; clavicle
I: deltoid tuberosity of humerus
A: abducts and extends arm
Term
17t
Definition
M: latissimus dorsi
O: lumbar and lower thoracic vertebrae
I: intertubercular sulcus of humerus
A: adducts arm
Term
2t
Definition
M: Pectoalis major
O: clavicle, sternum
I: intertubercular sulcus
A: adducts humerus
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