[UNFINISHED] ANAT LAB 5

Muscles of the appendicular skeleton

Deltoid muscle

shoulder whole thing on side

Supraspinatus muscle

Fossa above spine of scapula

Infraspinatus muscle

Fossa below spine of scapula

3 bellies - bottom 2 are smth else 

Teres minor muscle 

1 of 2 below infraspinatus 

smaller, only see lateral (outside) 

Teres major muscle 

2 of 2 below infraspinatus 

bigger bottom, see both medial and lateral

Subscapularis muscle

in subscapular fossa

Rhomboid major muscle

tiny only

top

1 of 2 above erector spinae muscle group

Rhomboid minor muscle 

tiny only

bottom

2 of 2 above erector spinae muscle group

Triceps brachii muscle 

back of arm 

know 3 heads

3rd belly small + medial 

Biceps brachii muscle

front arm 2 bellies

Brachialis muscle

under deltoid

between tri and bi

lateral outside farther from body

Coracobrachialis muscle 

coracoid process 

runs btwn tri and biceps 

inside closer to body 

Brachioradialis muscle

V shape inside elbow thumb side

Extensor carpi radialis longus muscle

back of forearm

right next to brachioradialis

runs to thumb under bracelet

Extensor carpi radialis brevis muscle 

back of forearm

right next to extensor carpi radialis longus muscle 

runs to thumb under bracelet 

Supinator muscle

deeper, wraps around radius

under brachioradialis, extensors carpi radialis longus and brevis

Extensor digitorum muscle

back of forearm next to ECR brevis

Extensor carpi ulnaris muscle

last one that runs under bracelet

pinky side

Anconeus muscle

starts @ brachialis crosses elbow posteriorly on outside has blood vessels + nerve

separates extensor + flexor carpi ulnaris

Pronator teres muscle

pinky side V shape forearm

next to brachioradialis

Flexor carpi radialis muscle

next to pronator teres muscle

Palmaris longus muscle

longest to palm 

Flexor carpi ulnaris muscle

next to extensor CU

ligament does not run under bracelet

Flexor digitorum superficialis muscle 

middle layer under three forearm 

Flexor digitorum profundus muscle

pinky side next to yellow nerve

deepest

Flexor pollicis longus muscle

deepest

thumb side next to yellow nerve 

Adductor pollicis muscle

triangle pointing down shape between thumb and index

Flexor pollicis brevis muscle

not on side w fingers on thumb

Abductor pollicis brevis muscle

next to flexor PB farther from fingers (lateral)

Opponens pollicis muscle 

smallest next to/under abductor PB

thin sheet attached to bone metacarpal

Abductor pollicis longus muscle

bigger thumbside under bracelet

Extensor pollicis brevis muscle

smaller thumbside under bracelet

Flexor digiti minimi brevis muscle

closest to palm moving other digits

Abductor digiti minimi muscle 

between flexor DMB and opponens DM 

Opponens digiti minimi muscle

farthest from palm moving other digits

Lumbrical muscles

muscles between metacarpals palm side

Dorsal interossei muscle

muscles between metacarpals back of hand

Flexor retinaculum

not bracelet, front of wrist

band shape

Extensor retinaculum 

bracelet back wrist 

Psoas major muscle

outside bigger running up and down

moves hip

Psoas minor muscle

blood vessel, inside, thinner 

up and down 

moves hip 

Iliacus muscle

iliac fossa of hip bone

Gluteus maximus muscle

whole thing hip above glut. medius

Gluteus medius muscle

2nd layer under but above kinda glut. maximus

can see with glut. max still on

Gluteus minimus muscle 

under glut. medius

word question 

Piriformis muscle

under glut. medius

if inflamed pushes on sciatic nerve > sciatica

Superior gemellus muscle

1/4 covered by nerve right under piriformis

Obturator internus muscle

2/4 under sup. gemellus

Inferior gemellus muscle 

3/4 under obturator internus 

Quadratus femoris muscle

4/4 under inf. gemellus

rectangle shape

Tensor fascia lata muscle

lateral outside leg long tendon but short belly

1/2 connect anterior superior spine

Sartorius muscle

opposes tensor FL

longest muscle in body (word ?)

2/2 connect anterior superior spine

Rectus femoris muscle 

feather shaped 1/4 quads 

Vastus lateralis muscle

2/4 quads

tensor side

next to rectus femoris

Vastus medialis muscle

3/4 quads

sartorius side

Vastus intermedius muscle

4/4 quads

take sart, tens, rectus off EITHER backside rectus femoris OR where it sits under

Pectineus muscle

small triangle next to tubercle, blood vessel, nerve

kinda have to sar. off

connects to pectineal line; pubis, next to pubic tubercle

Adductor longus muscle

bigger next next to pectineus muscle to pubis

Adductor brevis muscle 

small piece between longus and pectineus 

Adductor magnus muscle

ischium, back next to gracilis

inside of thigh

Gracilis muscle

still pubis

next to add. longus

Biceps femoris muscle

tensor side lateral

1/3 hamstrings

Semitendinosus muscle 

2/3 hamstring, stacked w 3/3 

top thinner w/tendons white 

Semimembranosus muscle

3/3 hamstring, stacked w 2/3

bigger, underneath

both sides of 2/3 semiten

Tibialis anterior muscle

front tibia

extend ankle toes up dorsiflex

Extensor digitorum longus muscle

pin on it

next to tibialis anterior

to 2, 3, 4

Extensor hallucis longus muscle 

smaller triangle back side EDL

take it off 

Fibularis longus muscle

fibula bigger top longer posterior

Fibularis brevis muscle

fibula smaller, shorter, anterior

Gastrocnemius muscle

both bellies on calf

Soleus muscle 

both sides of Achilles

under gastroc, inside if remove gastroc 

Achilles tendon

gastroc → calcaneus

white

Plantaris muscle

lateral at knee → medial down leg

between two bellies gastroc

Flexor hallucis longus muscle

fibula posterior under calf

check

Flexor digitorum longus muscle 

fibula posterior digits side 

check

Tibialis posterior muscle

between flex hal and flex digit

Popliteus muscle

popliteal surface swings across

analogous to anconeus

both external rotation