lab 8 - muscles of upper and lower appendages Flashcards
supinator
action: supinates hand
O - lateral epicondyle of humerus
I - proximal radius
pronator teres
pronates hand, flexes forearm
O - medial epicondyle of humerus
I - lateral, middle region of radius
pronator quadratus
pronates hand
biceps brachii
flexes arm, flexes forearm
O - long head: superior margin of glenoid cavity; Short head: coracoid process of scapula
I - radial tuberosity
coracobrachialis
flexes and medially rotates arm
O - coracoid process of scapula
I - midmedial shaft of humerus
brachialis
flexes forearm
brachioradialis
flexes forearm
O - superior surface of lateral condyle of humerus
I - styloid process of radius
flexor carpi radialis
flexes and abducts wrist
O - medial epicondyle of humerus
I - metacarpals II and III
palmaris longus
flexes hand
flexor carpi ulnaris
flexes and adducts wrist
O - medial epicondyle of humerus
I - pisiform, hamulus of hamate, and metacarpal V
flexor digitorum superficialis
flexes proximal and middle phalanges, flexes wrist
triceps brachii
extends and adducts arm, extends forearm
O - inferior surface of glenoid cavity
I - olecranon of ulna
extensor carpi ulnaris
extends and adducts wrist
O - lateral epicondyle of humerus
I - metacarpal V
extensor digiti minimi
extends and adducts wrist
extensor digitorum
extends phalanges, extends hand
O - lateral epicondyle of humerus
I - phalanges II through V
extensor carpi radialis brevis
extends and abducts wrist
O - lateral epicondyle of humerus
I - metacarpal III
extensor carpi radialis longus
extends and abducts wrist
O - lateral epicondyle of humerus
I - metacarpal II
gluteus maximus
extends and abducts thigh
O - iliac crest, sacrum, coccyx
I - greater trochanter of femur
gluteus medius
abducts and medially rotates thigh
gluteus minimus
abducts and medially rotates thigh
biceps femoris
extends thigh, flexes knee
O - ischial tuberosity and linea aspera
I - head of fibula
semitendinosus
extends thigh, flexes knee
O - ischial tuberosity
I - proximal, medial tibia
semimembranosus
extends thigh, flexes knee
O - ischial tuberosity
I - medial condyle of tibia
rectus femoris
flexes thigh, extends leg
O - anterior inferior illiac spine, margin of acetabulum
I - tibial tuberosity
vastus lateralis
extends leg
O - greater trochanter of femur, linea aspera
I - tibial tuberosity
vastus intermedius
extends leg
O - proximal anterior femur
I - tibial tuberosity
vastus medialis
extends leg
O - linea aspera
I - tibial tuberosity
sartorius
flexes and laterally rotates thigh, flexes knee
O - anterior superior iliac spine
I - proximal, medial tibia
tensor fasciae
(attached to iliotibial tract)
flexes and medially rotates thigh, extends and laterally rotates knee
gracilis
flexes and medially rotates leg
O -pubis, ischium
I - proximal, medial tibia
adductor longus
adducts, flexes, and medially rotates thigh
O - pubis
I - linea aspera
adductor magnus
adducts, flexes, and medially rotates thigh
adductor brevis
adducts thigh
pectineus
adducts, flexes thigh
illiopsoas (illiacus and Psoas major)
flexes thigh and lumbar vertebrae
gastrocnemius
flexes leg, plantar flexes foot
O - posterior condyles of femur
I - calcaneus
soleus
plantar flexes foot
O - posterior, proximal tibia and fibula
I - calcaneus
flexor digitorum longus
flexes toes, plantar flexes and inverts foot
tibialis posterior
plantar flexes and inverts foot
flexor hallucis longus
flexes hallux (big toe), inverts foot
fibularis longus
plantar flexes and everts foot
fibularis brevis
plantar flexes and everts foot
extensor digitorum longus
extends toes, dorsiflexes foot
extensor hallucis longus
extends hallux (big toe), dorsiflexes foot
tibialis anterior
dorsiflexes and inverts foot
O - lateral, proximal condyle of tibia
I - first metatarsal, medial cuneiform