bio 153l muscles

zygomaticus

zygomatic bone

origin of zygomaticus

orbicularis orbis

insertion of zygomaticus

smiling

action of zygomaticus

masseter

zygomatic bone

origin of masseter

angle of mandible

insertion of masseter

chewing

action of masseter

temporalis

frontal belly of epicranius

occipital belly of epicranius

orbicularis oculi

orbicularis oris

sternocleidomastoid

manubrium and clavicle

origin of sternocleidomastoid

mastoid process

insertion of sternocleidomastoid

neck flexion

action of sternocleidomastoid

digastric

mandible

origin of digastric

hyoid bone

insertion of digastric

opens mouth

action of digastric

sternohyoid

platysma

pectoralis major

clavicle and sternum

origin of pectoralis major

top of humerus

insertion of pectoralis major

flexes and medially rotates arm

action of pectoralis major

deltoid

clavicle and scapula

origin of deltoid

deltoid tuberosity of humerus

insertion of deltoid

abduction of arm

action of deltoid

rectus abdominis

pubic crest/ symphysis

origin of rectus abdominis

xiphoid process/ costal cartilage

insertion of rectus abdominis

flexion of spine

action of rectus abdominis

pectoralis minor

serratus anterior

internal intercostal

external intercostal

external oblique

internal oblique

transversus abdominis

trapezius

spinous process of vertebrae

origin of trapezius

spine of scapula

insertion of trapezius

adducts scapula

action of trapezius

latissimus dorsi

vertebrae and iliac crest

origin of latissimus dorsi

top of the humerus

insertion of latissimus dorsi

adducts arm

action of latissimus dorsi

triceps brachii

glenoid cavity and posterior humerus

origin of triceps brachii

olecranon process

insertion of triceps brachii

extends forearm/ elbow

action of triceps brachii

biceps brachii

origin of biceps brachii

coracoid process and glenoid cavity

radial tuberosity

insertion of biceps brachii

flexes forearm/elbow

action of of biceps brachii

flexor digitorum superficialis

medial epicondyle

origin of flexor digitorum superficialis

phalanges 2-5

insertion of flexor digitorum superficialis

flexes fingers

action of flexor digitorum superficialis

extensor digitorum

lateral epicondyle

origin of extensor digitorum

phalanges 2-5

insertion of extensor digitorum

extends fingers

action of extensor digitorum

adductor magnus

ischium and pubis

origin of adductor magnus

linea aspera of femur

insertion of adductor magnus

adducts femur

action of adductor magnus

rectus femoris

acetabulum

origin of rectus femoris

tibial tuberosity/patella

insertion of of rectus femoris

extends lower leg/ knee

action of of rectus femoris

biceps femoris

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ischium and femur

origin of biceps femoris

fibula and tibia

insertion of biceps femoris

flexes lower leg/knee

action of biceps femoris

gastrocnemius

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medial and lateral condyles of femur

origin of gastrocnemius

calcaneus

insertion of gastrocnemius

plantar flexion

action of gastronemius

tibialis anterior

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lateral condyle of tibia

origin of tibialis anterior

metatarsals

insertion of tibialis anterior

dorsiflexion

action of tibialis anterior

supraspinatus, infraspinatus, teres minor, and subscapularis.

which 4 muscles make up the rotator cuff?

which 4 muscles make up the quadricepts?

rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius. 

biceps femoris, semitendinosus, and semimembranosus.

what 3 muscles make up the hamstring?

supraspinatus

infraspinatus

teres major

teres minor

subscapularis

rhomboid major

brachialis

pronator teres

brachioradialis

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flexor carpi radialis

palmaris longus