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Muscles
Muscles with insertion, origin, and function
32
Anatomy
12th Grade
11/28/2012

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Cards

Term
Temporalis
Definition
Origin: Temporal Bone
Insertion: Coronoid Process and lateral surface of mandible
Action:closes jaw
Term
Masseter
Definition
Origin: Lower border of zygomatic arch
Insertion: lateral surface of mandible
Action: closes jaw; grits teeth
Term
Sternocleidomastoid
Definition
Origin: Anterior surface of sternum and uppoer surface of clavicle
Insertion: mastoid process of temproal bone
Action: pulls head to one side, to chest, raises sternum
Term
Pectoralis Major
Definition
Origin: sternal ends of upper ribs
Insertion: coracoid process of scapula
Action: pulls scapula anteriorly and down; raises ribs
Term
Serratus Anterior
Definition
Origin: outer surface of upper ribs
Insertion: ventral surface of scapula
Action: pulls scapula anteriorly and down
Term
External Oblique
Definition
Origin: outersurface of lower ribs
Insertion: outer lip of iliac crest and linea alba
Action: tenses abdominal wall and compresses abdominal contents
Term
Brachioradialis
Definition
Origin: distal lateral end of humerus
Insertion: lateral surface of radius above styloid process
Action: flexes forearm at elbow
Term
Frontalis
Definition
Origin: occipital bone
Insertion: skin and muscles around eye
Action: raises eyebrows
Term
Orbicularis Oculi
Definition
Origin: maxilla and frontal bone
Insertion: skin around eye
Action: closes eyes
Term
Orbicularis Oris
Definition
Origin: muscles near mouth
Insertion: skin of lips
Action: closes and protrudes lips
Term
Trapezius
Definition
Origin: occipital bone and spines of cervical and thoracic vertebrae
Insertion: clavicle, spine, scapula
Action: rotates scapula and raises arm; raises scapula; pulls shoulder down
Term
Deltoid
Definition
Origin: scapula and clavicle
Insertion: deltoid tubersoity of humerus
Action: abducts arm; flexes/extends humerus
Term
Biceps Brachii
Definition
Origin:
Insertion:
Action:
Term
Brachialis
Definition
Origin:
Insertion:
Action:
Term
Triceps Brachii
Definition
Origin:
Insertion:
Action:
Term
Rectus Abdominis
Definition
Origin:
Insertion:
Action:
Term
Flexor Carpi Ulnaris
Definition
Origin:
Insertion:
Action:
Term
Palmaris Longus
Definition
Origin:
Insertion:
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Term
Flexor Carpi Radius
Definition
Origin:
Insertion:
Action:
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Flexor Digitorum Superficalis
Definition
Origin:
Insertion:
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Term
Iliopsoas
Definition
Origin:
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Action:
Term
Pectinius
Definition
Origin:
Insertion:
Action:
Term
Sartorius
Definition
Origin:
Insertion:
Action:
Term
Adductor Longus
Definition
Origin:
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Action:
Term
Adductor Magnus
Definition
Origin:
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Term
Quadriceps Femoris
Definition
Origin:
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Action:
Term
Gastrocnemius
Definition
Origin:
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Action:
Term
Tibialis Anterior
Definition
Origin:
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Action:
Term
Soleus
Definition
Origin:
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Action:
Term
Extensor Digitorum Longus
Definition
Origin:
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Action:
Term
Teres Minor
Definition
Origin:
Insertion:
Action:
Term
Teres Major
Definition
Origin:
Insertion:
Action:
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