Muscle Actions 2 Flashcards
Bicep brachii
Flexion of elbow and supination
Brachialis
Flexion of elbow
Tricep brachii
Elbow extensor
Brachioradialis
Synergist for elbow flexion
Palmaris longus
Flexes wrist and tenses palm
Flexor carps radial is
Wrist flexor and hand abduction
Flexor Capri ulnaris
Wrist flexor and hand adduction
Flexor digitorum superficialis
Flexes wrist, 2nd - 5th fingers
Flexor pollicis longus
Flexes thumb
Flexor digitorum profundus
Flexes distal phalanges and helps with wrist flexion
Extensor Capri radialis longus
Extends and abducts wrist
Extensor carpi radialis brevis
Extends and abducts wrist
Iliacus
Flex trunk, thigh and lateral flexion of trunk
Psoas major
Flexes hip, thigh and lateral flexion of spine
Tensor fasciae latae
Flexes, Abducts and medially rotates thigh
Sartorius
Flexes abducts and laterally rotates thigh and flexes knee
Gracilis
Adducts, flexes and medially rotates thigh
Pectineus
Adducts, flexes and medially rotates thigh
Gluteus maximus
Extends hip, abducts and laterally rotates thigh
Gluteus medius
Abducts and medially rotates thigh
Biceps femoris
Extends thigh, laterally rotates leg, flexes knee
Semitendinosus
Extends thigh, flexes knee, medially rotates leg
Semimembranosus
Extends thigh, flexes knee, medially rotates leg
Adductor Magnus
Adducts, medially rotates and flexes thigh
Adductor longus
Adducts, medially rotates and flexes thigh
Adductor brevis
Adducts, medially rotates and flexes thigh
Rectus femoris
Flexes thigh and extends knee
Vastus medialis
Extends and stabilizes knee
Vactus intermedius
Extends knee
Vastus lateralis
Extends and stabilizes knee
Gastrocnemius
Plantar flexion, can flex knee when extended
Soleus
Plantar flexion
Tibialis anterior
Dorsi flexion and inversion
Extensor digitorum longus
Toe extension and dorsi flexion
Peroneus fibularis longus
Plantar flexion and eversion
Peroneus fibularis brevis
Plantar flexion and eversion
Flexor digitorum longus
Flexes toes, plantar flexion and inverts foot
Flexor hallucis longus
Flexes 1st toe, plantar flexion and inverts foot
Extensor carpi radialis brevis
Extends and abducts wrist
Iliacus
Flex trunk, thigh and lateral flexion of trunk
Psoas major
Flexes hip, thigh and lateral flexion of spine
Tensor fasciae latae
Flexes, Abducts and medially rotates thigh
Sartorius
Flexes abducts and laterally rotates thigh and flexes knee
Gracilis
Adducts, flexes and medially rotates thigh
Pectineus
Adducts, flexes and medially rotates thigh
Gluteus maximus
Extends hip, abducts and laterally rotates thigh
Gluteus medius
Abducts and medially rotates thigh
Biceps femoris
Extends thigh, laterally rotates leg, flexes knee
Semitendinosus
Extends thigh, flexes knee, medially rotates leg
Semimembranosus
Extends thigh, flexes knee, medially rotates leg
Adductor Magnus
Adducts, medially rotates and flexes thigh
Adductor longus
Adducts, medially rotates and flexes thigh
Adductor brevis
Adducts, medially rotates and flexes thigh
Rectus femoris
Flexes thigh and extends knee
Vastus medialis
Extends and stabilizes knee
Vactus intermedius
Extends knee
Vastus lateralis
Extends and stabilizes knee
Gastrocnemius
Plantar flexion, can flex knee when extended
Soleus
Plantar flexion
Tibialis anterior
Dorsi flexion and inversion
Extensor digitorum longus
Toe extension and dorsi flexion
Peroneus fibularis longus
Plantar flexion and eversion
Peroneus fibularis brevis
Plantar flexion and eversion
Flexor digitorum longus
Flexes toes, plantar flexion and inverts foot
Flexor hallucis longus
Flexes 1st toe, plantar flexion and inverts foot