Muscle Origins Flashcards
sternocleidomastoid
sternum and clavicle
rectus abdominus
pubic crest and symphysis
external oblique
ribs 5-12 (lower 8)
internal oblique
iliac crest and inguinal ligament
transversus abdominus
iliac crest, inguinal ligament, and cartilage of last 6 ribs (5-10)
diaphram
xiphoid and cartilage of last 6 ribs
external intercostals
inferior border of rib above
internal intercostals
superior border of rib below
trapezius
occipital bone and spines C7-T12
rhomboideus major
spines T2-T5
pectoralis major
clavivle, sternum, cartilage of ribs 2-6
latissimus dorsi
spines T7-T12 (book: T7-L5), sacral crest, and ilium
deltoid
acromial extremity of clavicle, acromion of scapula, and spine of scapula
supraspinatous
supraspinous fossa of scapula
teres major
inferior angle of scapula
teres minor
inferior lateral border of scapula
biceps brachii
long head: tubercle above glenoid cavity of scapula (supraglenoid cavity)
short head: coracoid process of scapula
brachialis
distal, anterior surface of humerus
brachioradialis
lateral border of distal end of humerus (supracondyle ridge)
triceps brachii
long head: infraglenoid tubercle
lateral head: lateral and posterior surface of humerus
medial head: entire posterior surface of humerus inferior to a groove for the radial nerve
palmaris longus
medial epicondyle of humerus
flexor digitorum superficialis
medial epicondyle of humerus, coronoid process of ulna
felxor digitorum profundus
anterior medial surface of body of ulna
flexor pollucis longus
anterior surface of radius and interosseous membrane
extensor carpi radialis longus
lateral supracondylar ridge of humerus
extensor digitorum
lateral epicondyle of humerus
extensor pollucis brevis
posterior surface of middle of radius and ulna and interosseous membrane
thenar - opponens pollicis
flexor retinaculum and trapexium
thenar - abductor pollicis brevis
flexor retinaculum, scaphoid, and trapexium
thenar - flexor pollicis brevis
flexor retinaculum, trapezium, capitate, and trapezoid
thenar - adductor pollicis
oblique head: capitate and 2nd and 3rd metacarpals
transverse head: 3rd metacarpal
hypothenar - abductor digiti minimi
pisiform and tendon of flexor carpi ulnaris
hypothenar - flexor digiti minimi brevis
flexor retinaculum and hamate
hypothenar - opponens digiti minimi
flexor retinaculum and hamate
midpalmer - lumbricals
lateral sides of tendons and flexor digitorum profundus of each finger
midpalmer - dorsal interossei
adjacent sides of metacarpals
midpalmer - palmar interossei
sides of shafts of metacarpals of all digits (except middle one)
psoas major
transverse processes and bodies of lumbar vertebrae
gluteus maximus
iliac crest, sacrum, coccyx
gluteus medius
ilium
tensor fasciae latae
iliac crest
adductor longus
pubic symphysis and crest
adductor brevis
inferior ramus of pubis
gracillis
pubic symphysis
rectus femoris
AIIS
vastus lateralis
greater trochanter and linea aspera of femur
vastus medialis
linea aspera of femur
vastus intermedius
anterior and lateral surfaces of body of femur
sartorius
ASIS
biceps femoris
long head: ischial tuberosity
short head: linea aspera of femur
semitendinosus
ischial tuberosity
semimembranosus
ischial tuberosity
gastrocnemius
lateral and medial condyles of femur and capsule of knee
soleus
fibula head and medial border of tibia
flexor hallucis longus
distal 2/3 of fibula
flexor digitorum longus
posterior surface of tibia
tibialis anterior
lateral condyle and body of tibua and interosseous membrane
extensor digitorum longus
lateral condyle of tibia, anterior surface of fibula, and interosseous membrane
extensor hallucis longus
anterior surface of tibia and interosseous membrane
flexor digitorum brevis
calcaneus, plantar aponeurosis
flexor hallucis brevis
cuboid and 3rd (lateral) ceneiform