exam 2: lab manual questions

action of deltiod muscle

abducts shoulder

orgin of supraspinatus

supraspinous fossa

insertion of pectoralis minor

greater tubercle of humerus

origin of levator scapulae

c1-c4

insertion of latissimus dorsi

intertubercular groove of humerus

biceps brachii origin

coracoid process

action of pectoralis major

flexes, abducts, rotates

insertion of subscapularis

lesser tubercle of humerus

action of triceps brachii

extends arm

origin of brachialis

anterior surface of humerus

all muscles that flex the arm

biceps brachii, coracobrachialis, brachialis, brachioradialis

origin of flexor carpi ulnaris

medial epicondyle of humerus

insertion of flexor digitorum superficialis

middle phalanx 2-5

insertion of flexor carpi ulnaris

metacarpal 5

action of flexor carpi ulnaris

flexes and adducts arm

muscle that extends both hand and phalanx

extensor digitorum

hit nail with hammer, what muscle are you using

triceps brachii

look up at ceiling, what muscle

trapezius

cat specific muscles

pectoantebrachialis, epitrochlearis, xiphihumeralis, adductor femoris, caudofemoralis

horse riding muscle

adductor muscles

glue med and glute max role

maintain center of gravity

2 synergists with biceps femoris

semitendinosus and semimembranosus

insertion of quads

tibial tuberosity

how does rectus femoris differ

flexes thigh

2 muscles responsible for thigh flexion

iliopsoas and rectus femoris

hamstring origin

ischial tuberosity

action of vastus lateralis

extends knee at knee

which muscles flexes lumbar vertabrae

iliopsoas

origin of gastrocnemis

condyles of femur

insertion of tibital anterior

medial cuneiform and base of first metatarsal

action of extensor hallucis longus

extends big toe and dorsiflexion

plantar flexion muscles

gastrocnemis and soleus

extends toes

extensor digitorum longus

dorsiflexes foot

tibialis anterior

insertion of soleus

achilles

insertion of flexor digitorum longus

distal phalanx 2-5

origin of masseter

zygomatic arch

action of risorius

abducts corners of mouth

muscle originates at temporal fossa

temporalis

close jaw (2)

temporalis and masseter

sternocleidomastoid insertion

mastoid

insertion of orbicularis oculi

skin of eyelid

insertion of temporalis

coronoid process

action of sernocleidomastoid

rotates and extends neck

synergist of masseter

temporalis

action of serratus anterior

abducts scapular

4 muscles that extend vert column

spinalis, longissimus, iliocostalis, multfidus

physical relationship of intercostal muscles

run in same direction as obliques

extension and rotation of vert column

errector spinae

action of intercostal muscles

elevates/depresses ribs

inserts on central tendon

diaphragm

deepest abd muscle

transversus abdominus

action of quadratus lumborum

laterally flexes vert column

how do cat abd muscles differ from humans

rectus abdominis is ventral