Muscles Review Flashcards
what are the muscles in the face/neck/head
temporalis
masseter
sternocleidomastoid
scalene mass
levator scapulae
trapezius
Temporalis
o: temporal fossa
i: mandible
inn: cranial nerve
f: mandible elevation
masseter
o: maxilla
i: mandible
inn: cranial nerve
f: mandible elevation
sternocleidomastoid
o: sternum, medial clavicle
i: occipital bone, mastoid process
inn: cranial nerve
f: neck side flexion and rotation
trapezius
o: occipital bone, spinous process of CI-TXII
i: lateral clavicle, acromion, scapula spine
inn: cranial nerve
f: elevation/depression, and retraction
scalene mass
o: transverse process of CI-CVII
i: upper surface of ribs 1 and 2
inn: brachial plexus
f: ribs 1 and 2 elevation, aids in inhalation
levator scaplae
o: transverse process of CI-CVII
i: superior angle of scapula
inn: brachial plexus
f: elevates scapula
what are the muscles in the rotator cuff
supraspinatus
infraspinatus
teres minor
subscapularis
supraspinatus
o: supraspinous fossa
i: greater tubercle
inn: brachial plexus
f: abduction at GHJ
infraspinatus
o: infraspinous fossa
i: greater tubercle
inn: brachial plexus
f: lateral rotation at GHJ
teres minor
o: lateral border of scapula
i: greater tubercle
inn: brachial plexus
f: lateral rotation at GHJ
subscapularis
o: subscapular fossa
i: lesser tubercle
inn: brachial plexus
f: medial rotation at GHJ
what are the muscles in the shoulder
pectoralis major
pectoralis minor
deltoid
latissimus dorsi
serratus anterior
pectoralis major
o: medial clavicle, sternum, costal cartilage of ribs 1-7
i: intertubercular groove
inn: brachial plexus
f: adduction, medial rotation, flexion at GHJ
pectoralis minor
o: ribs 1 and 2
i: coracoid process
inn: brachial; plexus
f: scapula depression
deltoid
o: scapula spine, lateral clavicle, acromion
i: deltoid tuberosity
inn: brachial plexus
f: abduction, flexion/extension at GHJ
latissimus dorsi
o: sacrum, iliac crest, spinous process of LI-LV, thoracolumbar fascia , lower ribs
i: intertubercular groove
inn: brachial plexus
f: extension, medial rotation, adduction at GHJ
serratus anterior
o: upper 9 ribs
i: medial border of scapula
inn: brachial plexus
f: scapula protraction
what muscles are in the ant comp of the arm
biceps brachii
brachialis
biceps brachii
o: long: supraglenoid tubercle
short: coracoid process
i: radial tuberosity
inn: musculocutaneous nerve
f: elbow flexion, supination
brachialis
o: anterior humerus
i: ulna tuberosity
inn: musculocutaneous nerve
f: elbow flexion
what muscles are in the post comp of the arm
triceps brachii
triceps brachii
o: long: infraglenoid tubercle
med: posterior humerus
short: posterior humerus
i: olecranon
inn: radial nerve
f: elbow extension
what are the muscles in the ant comp of forearm
pronator teres
flexor carpi radialis
flexor carpi ulnaris
palmaris longus
flexor digitorum
flexor pollicis longus
pronator teres
o: medial epicondyle of humerus
i: lateral midshaft of radius
inn: median and ulnar nerve
f: pronation
flexor carpi radialis
o: medial epicondyle of humerus
i: metacarpals II and III (palmar)
inn: median and ulnar nerve
f: wrist flexion, radial deviation
flexor carpi ulnaris
o: medial epicondyle of humerus
i: metacarpal V (palmar)
inn: median and ulnar nerve
f: wrist flexion, ulnar deviation
palmaris longus
o: medial epicondyle of humerus
i: palm fascia
inn: median and ulnar nerve
f: wrist flexion
flexor digitorum (hand)
o: medial epicondyle of humerus, antero-medial ulna and radius
i: phalanges II-V (palmar)
inn: median and ulnar nerve
f: digit II-V flexion
flexor pollicis longus
o: anterior distal radius shaft
i: distal phalynx of thumb (palmar)
inn: median and ulnar nerve
f: thumb flexion
what are the muscles in the post comp of forearm
brachioradialis
extensor carpi radialis
extensor carpi ulnaris
extensor digitorum
extensor pollicis longus
abductor pollicis longus
brachioradialis
o: lateral supracondylar ridge
i: lateral distal radius
inn: radial nerve
f: elbow flexion
extensor carpi radialis
o: lateral epicondyle of humerus
i: metacarpals II and III (dorsal)
inn: radial nerve
f: wrist extension, radial deviation
extensor carpi ulnaris
o: lateral epicondyle of humerus
i: metacarpal V (dorsal)
inn: radial nerve
f: wrist extension, ulnar deviation
extensor digitorum (hand)
o: lateral epicondyle of humerus
i: digits II-V (dorsal)
inn: radial nerve
f: digit II-V extension
extensor pollicis longus
o: posterior ulnar surface
i: digit I (dorsal)
inn: radial nerve
f: thumb extension
abductor pollicis longus
o: posterior surface of radius/ulna
i: metacarpal I (dorsal)
inn: radial nerve
f: abduction of thumb
what are the muscles in the ant comp of the anatomical leg
tibialis anterior
extensor digitorum longus
extensor hallucis longus
tibialis anterior
o: lateral tibial surface, interosseous membrane
i: dorsomedial surface of metatarsal I
inn: common fibular nerve
f: ankle dorsiflexion, inversion
extensor digitorum (foot)
o: lateral tibial condyle, medial fibula
i: dorsal surface of lateral 4 phalanges
inn: common fibular nerve
f: lateral 4 toe extension, dorsiflexion
extensor hallucis longus
o: medial fibula surface, interosseous membrane
i: dorsal surface of hallux
inn: common fibular nerve
f: hallux extension, dorsiflexion
what are the muscles in the lat comp of anatomical leg
fibularis longus
fibularis brevis
fibularis longus
o: upper lateral fibula head
i: plantar surface of metatarsal I
inn: common fibular nerve
f: eversion, arc support, plantar flexion
fibularis brevis
o: lower lateral fibular shaft
i: lateral aspect of metatarsal V
inn: common fibular nerve
f: eversion, plantar flexion
what are the muscles in the post comp of the anatomical leg
gastrocnemius
soleus
flexor hallucis longus
flexor digitorum longus
tibialis posterior
gastrocnemius
o: postero-lateral femoral condyle, postero-medial femoral condyle
i: calcaneus via calcaneal tendon
inn: tibial nerve
f: plantar flexion, aids in knee flexion
soleus
o: soleal line, posterior fibula
i: calcaneus via calcaneal tendon
inn: tibial nerve
f: plantar flexion
flexor hallucis longus
o: posterior surface of fibula, interosseous membrane
i: plantar surface of hallux
inn: tibial nerve
f: hallux flexion, plantar flexion
flexor digitorum longus (foot)
o: posterior tiba
i: plantar surface of lateral 4 toes
inn: tibial surface
f: lateral 4 toe flexion, plantar flexion
tibialis posterior
o: interosseous membrane, posterior tibia/fibula
i: plantar surface of all tarsals/metatarsals
inn: tibial nerve
f: inversion, plantar flexion, medial arc support
what are the muscles in the ant comp of thigh
sartorius
rectus femoris
vastus lateralis
vastus medialis
vastus intermedius
sartorius
o: ASIS
i: pes anserine
inn: femoral nerve
f: hip/knee flexion
vastus lateralis
o: greater trochanter, linea aspera
i: quadriceps femoris tendon
inn: femoral nerve
f: knee extension
vastus medialis
o: lesser trochanter, linea aspera
i: quadriceps femoris tendon
inn: femoral nerve
f: knee extension
vastus intermedius
o: antero-lateral femur
i: quadriceps femoris tendon
inn: femoral nerve
f: knee extension
rectus femoris
o: AIIS
i: quadriceps femoris tendon
inn: femoral nerve
f: knee extension, hip flexion
what muscles are in the med comp of thigh
adductor magnus
adductor brevis
adductor longus
adductor magnus
o: ham: ischial tuberosity
add: ischiopubic ramus
i: ham: adductor tubercle
add: linea aspera
inn: obturator nerve
f: ham: hip extension
add: hip adduction
adductor brevis
o: ischiopubic ramus
i: linea aspera
inn: obturator nerve
f: hip adduction
adductor longus
o: pubic body
i: linea aspera
inn: obturator nerve
f: hip adduction
what muscles are in the post comp of the thigh
biceps femoris
semitendinosus
semimembranosus
biceps femoris
o: long: ischial tuberosity
short: linea aspera
i: fibula head
inn: sciatic nerve
f: knee flexion, hip extension
semitendinosus
o: ischial tuberosity
i: medial proximal tibia
inn: sciatic nerve
f: knee flexion, hip extension
semimembranosus
o: ischial tuberosity
i: posterior medial tibial condyle
inn: sciatic nerve
f: knee flexion, hip extension
what muscles in post thoracic/lumbar
rhomboid
erector spinae
rhomboid
o: spinous process of CVII-TV
i: medial border of scapula
inn: brachial plexus
f: elevation/retraction
erector spinae
o: sacrum, iliac crest, spinous/transverse process of all C,T,L vertebrae, angles of ribs
i: mastoid process, posterior occipital, spinous/transverse process of all C,T,L vertebrae
inn: cervical/thoracic/lumbar spinal nerves
f: primary extensor of vertebral column, head unilaterally, side flexion of vertebral column
what are the muscles in the ant pelvis
psoas major
iliacus
psoas major
o: bodys/transverse process of TXII-LV
i: lesser trochanter
inn: lumbosacral plexus
f: hip flexion, aids in lateral hip rotation
iliacus
o: iliac fossa
i: lesser trochanter
inn: lumbosacral plexus
f: hip flexion, aids in lateral rotation
what muscles are in the post/lat hip
tensor fascia latae
gluteus maximus
gluteus medius
piriformis
tensor fascia latae
o: anterior iliac crest
i: gerdy’s tubercle via IT band
inn: lumbosacral plexus
f: hip abduction, flexion, medial rotation, knee stabilizer
gluteus maximus
o: posterolateral illium, sacrum, coccyx
i: gluteal tuberosity, IT band
inn: lumbosacral plexus
f: hip extension, abduction, lateral rotation, knee extension
gluteus medius
o: lateral ilium
i: greater trochanter
inn: lumbosacral plexus
f: hip extension, abduction, knee stabilization
piriformis
o: sacrum
i: greater trochanter
inn: lumbosacral plexus
f: hip lateral rotation
what muscles are in ant thoracic/ lumbar
intercostals
external obliques
internal obliques
rectus abdominis
diaphragm
intercostals
o: inferior margin of rib above
i: superior margin of rib below
inn: thoracic spinal nerves
f: moves ribs inferiorly/superiorly, aid in respiration
external obliques
o: lower ribs
i: iliac crest, linea alba
inn: thoracic spinal nerves
f: t: trunk flexion
i: trunk side flexion, expiration
internal obliques
o: thoracolumbar fascia, iliac crest, inguinal ligament
i: lower ribs, linea alba
inn: thoracic spinal nerves
f: t: trunk flexion
i: trunk side flexion, expiration
rectus abdominis
o: pubis bone
i: distal sternum, costal cartilage
inn: thoracic spinal nerve
f: trunk flexion, expiration
diaphragm
o: distal sternum, inner surface of rib cage, lumbar vertebrae
i: central tendon of diaphragm
inn: brachial plexus
f: aids in inspiration (contracts=increase in volume, pushes viscera inferiorly), passive in expiration
quadratus plantae
o: calcaneus
i: tendons of flexor digitorum longus