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torso muscles
let's think positive... :)
16
Anatomy
Undergraduate 3
06/14/2013

Additional Anatomy Flashcards

 


 

Cards

Term
orbicularis oculi
Definition
(name only)
Term
obicularis oris
Definition
(name only)
Term
masseter
Definition

origin: zygomatic bone, zygomatic arch

 

insertion: ramus of mandible

 

action: elevates mandible

Term
temporalis
Definition

origin: temporal bone

 

insertion: coronoid process of mandible

 

action: elevates and retracts mandible

Term
digastric
Definition

origin: mastoid process of temporal bone

 

insertion: mandible via a pulley tendon on hyoid

 

action: depresses mandible

Term
slernocleidomastoid
Definition

origin: manubrium, clavicle

 

insertion: mastoid process of temporal bone

 

action: rotates head toward oppostite side

Term
trapezius
Definition

origin: occipital bone, spinous proceses of vertebrae from C7-T12

 

insertion: acromion process of scapula, spine of scapula, acromial end of clavicle

 

action: elevates scapula

Term
rhomboid major
Definition

origin: spinous processes of vertebrae T2-T5

 

insertion: medial border of scapula

 

action: adducts scapula

Term
latissmus dorsi
Definition

origin: spinous processes of vertebrae T6 to sacrum

 

insertion: intertubercular sulcus of humerus

 

action: adducts arm

Term
pectoralis major
Definition

origin: clavicle, sternum

 

insertion: distal to greater tubercle of humerus

 

action: flexes arm (humerus)

Term
intercostals
Definition
(names only)--internal and external
Term
serratus anterior (boxer's muscle)
Definition
abducts scapula superiorly
Term
rectus abdominis
Definition
compresses abdomen
Term
external oblique
Definition
compresses abdomen with contraction of both
Term
internal oblique
Definition
compresses abdomen with contraction of both
Term
diaphragm
Definition
identify aorta hole, esophagus, and inferior vena cava
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