Muscles: Action, Origin, Insertion 2 Flashcards
Flexor carpi radialis
Action: flexes and abducts wrist
Origin: medial epicondyle of humerus
Insertion: metacarpals 2-3
Palmaris longus
Action: flexes wrist
Origin: medial epicondyle of humerus
Insertion: fascia of palm
Flexor carpi ulnaris
Action: flexes and adducts wrist
Origin: medial epicondyle of humerus
Insertion: metacarpal 5
Flexor digitorum superficialis
Action: flexes wrist and fingers
Origin: medial epicondyle of humerus
Insertion: middle phalanges
Flexor pollicis longus
Action: flexes thumb
Flexor digitorum profundus
Action: flexes fingers
Brachioradialis
Action: flexes forearm
Extensor carpi radialis longus and brevis
Action: extends and abducts wrist
Origin: lateral epicondyle of humerus
Insertion: metacarpal 3
Extensor digitorum
Action: extends wrist and fingers
Origin: lateral epicondyle of humerus
Insertion: distal phalange s
Extensor digiti minimi
Action: extends wrist and little finger
Extensor carpi ulnaris
Action: extends and addicted wrist
Origin: lateral epicondyle of humerus
Insertion: metacarpal 5
Supinator
Action: supinate a firearm
Origin: lateral epicondyle of humerus
Insertion: radius shaft
Abductor pollicis longus
Action: abducts and extends thumb
Extensor pollicis brevis
Extends thumb
Iliopsoas (psoas and iliacus
Action: flexes thigh
Sartorius
Action: flexes, abducts and laterally rotates thigh, flexes and medially rotates leg
Origin: anterior superior iliac spine
Insertion: medial tibia
Quadriceps group
Action: flexes thigh and extends leg
Rectus femoris
Origin: anterior inferior iliac spine
Insertion: tibial tuberosity via patellar ligament
Adductor group
Action: adducts and medially rotates thigh
Gluteus Maximus
Action: extends and laterally rotates thigh
Piriformis
Action: laterally rotates extended thigh; abducts flexed thigh
Hamstrings group
Action: extends thigh and flexes leg
Tibialis anterior
Action: dorsiflexes and inverts foot
Extensor digitorum
Action: extends toes
Gastrocnemius
Action: plantar flexes foot
Origin: medial and lateral condyles of femur
Insertion: calcaneus via Achilles’ tendon
Plantaris
Action: plantar flexes foot
Solesus
Action: plantar flexes foot
Flexor digitorum longus
Action: flexes toes
Flexor hallucis longus
Action: flexes big toe