Insertion/Origin/Function Flashcards
Occipitofrontalis Function
raises eyebrows, wrinkles forehead
Orbicularis Oris Function
sphincter muscle around mouth
Risorius Function
draws corner of mouth to the side
Buccintor Function
compression of cheeks
- suckling
Depressor labii inferioris Function
depresses lower lip
Levator labii superioris Function
elevates upper lip
Levator anguli oris Function
elevates corner of mouth
Depressor anguli oris Function
depressor corner of mouth
Mentalis Function
elevates and protrudes lower lip
Zygomaticus Major Function
retracts, elevates corner of mouth
Zygomaticus Minor Function
retracts, elevates upper lip
Levator Palpebrae superioris Function
elevatoes upper eyelid
Orbicularis Oculi Function
closes eye
Nasalis Function
compresses bridge
depresses tip of nose
elevates nostril
Platysma Function
tenses skin of neck
depressed mandible
pull lower lip down
Masseter Function
elevates mandible
closes jaw
Temporalis Function
elevates mandible
Sternocleidomastoid Function
flexion of neck
Splenus Capitis Function
extension of neck
Internal and External Oblique Function
flexion of the trunk
Rectus Abdominis Function
tenses abdominal wall
flexes vertebral column
Levator Scapulae Function
elevates scapulae
Pectoralis Minor Function
Depresses & extends shoulder
rotation of scapula
elevation of ribs
Rhomboid Major Function
adduction of scapula
Rhomboid Minor Function
adduction of scapula
Serratus Anterior Function
protraction of shoulder
Trapezius Function
elevation of clavicle
extension of neck
Levator Scapulae Origin
C1-C4 vertebrae
Levator Scapulae Insertion
scapula
Pectoralis Minor Origin
ribs 2-5
Pectoralis Minor Insertion
scapula
Rhomboid Major Origin
C1, T1
Rhomboid Major Insertion
scapula
Rhomboid Minor Origin
C1-T1 vertebrae
Rhomboid Minor Insertion
scapula
Serratus Anterior Origin
1-9 ribs
Serratus Anterior Insertion
scapula
Trapezius Origin
occipital bone
thoracic vertebrae
Trapezius Insertion
clavicle
scapula
Deltoid Function
abduction of arm
Supraspinatus Function
abduction of arm w/ deltoid
Subscapularis Function
medial rotation of arm
Infraspinatus & teres minor Function
lateral rotation of arm
Deltoid Origin
scapula clavicle
Supraspinatus Origin
scapula
Supraspinatus Insertion
humerus
Deltoid Insertion
humerus
Subscapularis Origin
scapula
Subscapularis Insertion
humerus
Infraspinatus & Teres Minor Origin
scapula
Infraspinatus & teres Minor insertion
humuerus
Pectoralis Major Function
flexion, adduction, medial rotation of arm
Pectoralis Major origin
sternum
ribs 2-6
clavicle
Pectoralis Major insertion
humerus
latissimus dorsi function
extension, adduction, medial rotation of arm
latissimus dorsi origin
T7-T12 vertebrae
ribs 9-12
ilium
latissimus dorsi insertion
humerus
Brachialis origin
humerus
Brachialis insertion
ulna
Brachialis function
flexion at elbow
Triceps brachii function
extension at elbow
triceps brachii origin
scapula & humerus
Coracobrachialis Action
adduction and flexion of the arm
Coracobrachialis Origin
scapula
Coracobrachialis Insertion
humerus
triceps brachii insertion
ulna
Biceps brachii function
flexion of forearm & supination
biceps brachii origin
scapula
biceps brachii insertion
radius
brachioradialis function
flexion of forearm
brachioradialis origin
humerus
brachioradialis insertion
radius
pronator teres action
pronation
pronator teres origin
humerus & ulna
pronator teres insertion
radius
Supinator action
supination
Supinator origin
humerus & ulna
Supinator insertion
radius
flexor carpi radialis action
flexion & abduction of hand
flexor carpi radialis origin
humerus
flexor carpi radialis insertion
2 metacarpals
Flexor carpi ulnaris action
flexion and adduction of hand
Flexor carpi ulnaris origin
humerus & ulna
Flexor carpi ulnaris insertion
3 carpals & 1 metacarpal
Palmaris longus action
flexion of hand
Palmaris longus origin
humerus
Palmaris longus insertion
palmar aponeurosis
Extensor carpi radialis longus & brevis action
extension & abduction of hand
Extensor carpi radialis longus & brevis origin
humerus
Extensor carpi radialis longus & brevis insertion
each metacarpal
Extensor carpi ulnaris action
extension and adduction of hand
Extensor carpi ulnaris origin
humerus & ulna
Extensor carpi ulnaris insertion
1 metacarpal
Extensor digitorum action
extension of hand and fingers
Extensor digitorum origin
humerus
Extensor digitorum insertion
phalanges of fingers 2-5
Extensor retinaculum action
keep tendons in alignment and prevent bowstringing
Extensor retinaculum Origin
fibula tendon sheath
Extensor retinaculum Insertion
tibia
Flexor retinaculum Action
stabilize carpal tunnel
Extensor pollicis brevis & longus origin
radius & ulna
Extensor pollicis brevis & longus insertion
pollex
Flexor Digitorum action
flexion of hand and fingers
Flexor Digitorum origin
humers, ulna, radius
Flexor Digitorum insertion
phalanges of fingers 2-5
Gluteus Maximus action
extension and lateral rotation of thigh
Gluteus Maximus origin
ilium, sacrum, coccyx
Gluteus Maximus insertion
iliotibial tract, femur
Gluteus Medius & minimis action
abduction and medial rotation of thigh
Gluteus Medius & minimis origin
ilium
Gluteus Medius & minimis insertion
femur
Tensor fasciae latae action
abduction and medial rotation of thigh
extension and lateral rotation of leg
Tensor fasciae latae origin
ilium
Tensor fasciae latae insertion
iliotibial tract
Adductor brevis action
adduction, flexion, and medial rotation at hip
Adductor brevis origin
pubis
Adductor brevis insertion
femur
Adductor longus action
adduction, flexion, and medial rotation at hip
Adductor longus origin
pubis
Adductor longus insertion
femur
Adductor Magnus action
adduction at hip
Adductor Magnus origin
pubis
Adductor Magnus insertion
femur
Pectineus action
flexion, medial rotation, adduction at hip
Pectineus origin
pubis
Pectineus insertion
femur
Gracilis action
flexion at knee
adduction and medial rotation at hip
Gracilis origin
pubis
Gracilis insertion
tibia
Iliacus action
flexion at hip
Iliacus origin
ilium
Iliacus insertion
femur
Psoas Major action
flexion at hip
Psoas Major origin
vertebrae
Psoas Major insertion
iliacus
Biceps femoris action
extension, lateral rotation of thigh
Biceps femoris origin
ischium & femur
Biceps femoris insertion
tibia & fibula
Semitendinosus & Semimembranosus action
extension, medial rotation of thigh
Semitendinosus & Semimembranosus origin
ischium
Semitendinosus & Semimembranosus insertion
tibia
Sartorius action
flexion and lateral rotation of thigh
Sartorius origin
ilium
Sartorius insertion
tibia
Popliteus action
medial rotation of leg
Popliteus origin
femur
Popliteus insertion
tibia
Vastus Lateralis/Medialis origin
femur
Vastus Lateralis/Medialis insertion
tibia
Rectus femoris action
extension and flexion of thigh
Rectus femoris origin
ilium
Rectus femoris insertion
tibia
Vastus Lateralis/Medialis action
extension
Gastrocnemius action
flexion and inversion of foot
Gastrocnemius origin
femur
Gastrocnemius insertion
calcaneus
Soleus action
plantar flexion at ankle
Soleus origin
fibula and tibia
Soleus insertion
calcaneus
Fibularis longus/brevis action
plantar flexion
eversion of foot
Fibularis longus/brevis origin
fibula (both) and tibia (longus)
Fibularis longus/brevis insertion
metatarsals (both)
Tibialis anterior action
flexion (dorsiflexion at ankle)
Tibialis anterior origin
tibia
Tibialis anterior insertion
metatarsal
Extensor Digitorum longus action
extension of toes 2-5
Extensor Digitorum longus origin
tibia and fiula
Extensor Digitorum longus insertion
phalanges 2-5
Flexor digitorum longus action
flexion of phalanges 2-5
Flexor digitorum longus origin
tibia
Flexor digitorum longus insertion
distal phalanges 2-5
