Lab muscles 2 Flashcards
Abductor Pollicis Longus
O: interosseous membrane
I: 1st metacarpal
A: abductThumb
Hint: remember all big toe and thumb muscles originate from the interosseous membrane
Adductor Longus
O: Inferior ramis of pubis
I: Linea Aspera
A: Adduct Femur
L: Medial/ Posterior compartment of Thigh
Adductor magnus
O: Inferior ramis of pubis
I: Linea Aspera
A: Adduct Femur
L: Medial/ Posterior compartment of Thigh
Biceps fermoris
O: Ischial tuberosity
I: Head of fibula
A: Extends Femur
L: Posterior compartment of thigh
Brachioradialis
O: Lateral supracondylar ridge of the humorous
I: styloid process
A: flexes forarm
Extensor carpi radialis brevis
O: lateral epicondyle of humerus
I: Base of 3rd metacarpal
A: extends wrist
Extensor carpi radialis longus
O: Lateral supracondylar ridge of the humerus
I: Base of 2nd metacarpal
A: extends wrist
Extensor carpi ulnaris
O: lateral epicondyle
I: base of 5th metacarpal
A: Extends wrist
Extensor digiti minimi
O: lateral epicondyle of humerus
I: extensor expansions of 5th digit
A: entends 5th digit/ Extends wrist
Extensor Digitorum
O:lateral epicondyle of humerus
I: extensor expansions of 2nd- 5th digit
A: Extends fingers
Extensor digitorum longus
O: Tibia
I: Distal phalanges of toes 2-5
A: Entends Toes (digits 2-5)
L: Anterior compartment of leg (with tibialis anterior and extensor hallucinating longus). Anterior surface is the extensor surface.
Extensor hallucis longus
O: interosseous membrane / anterior surface of fibula
I: Distal phalange of great toe
A: Extends great toe
L: Anterior compartment of leg (with tibialis anterior and extensor digitorum longus). Anterior surface is the extensor surface.
Hint: remember all big toe and thumb muscles originate from the interosseous membrane
Extensor Pollicis brevis
O: interosseous membrane
I: Base of proximal phalanx of thumb
A: extends Thumb
Hint: remember all big toe and thumb muscles originate from the interosseous membrane
Extensor Pollicis longus
O: interosseous membrane
I: Base of distal phalanx of thumb
A: extends Thumb
Hint: remember all big toe and thumb muscles originate from the interosseous membrane
Flexor carpi radialis
O: Medial epicondyle of humerus
I: Base of 2nd and 3rd metacarpals
A: Flexes wrist and elbow
Flexor carpi ulnari
O: medial epicondyle of humerus
I: base of 5th meta carpal
A: Flexes wrist
Flexor digitorum longus
O: Posterior medial surface of tibia
I:
A: Flexes Toes (digits 2-5)
Flexor digitorum longus
O: Posterior medial surface of tibia
I: Inferior surfaces of distal phalanges 2-5
A: Flexes Toes (digits 2-5)
L: Deep anterior compartment of leg with Tibialis Posterior and flexor hallucis longus)
Flexor digitorum superficialis
O: medial epicondyle of humerus
I: middle phalange of 2nd- 5th
A: Flexes fingers
Flexor pollicis longus
O: interosseous membrane
I: Distal phalanx of the thumb
A: Flexes Thumb
Hint: remember all big toe and thumb muscles originate from the interosseous membrane
Gastrocnemius
O: medial and lateral condyles
I: Calcaneus via calcanea tendon
A: Flexes tibia/ plantar flexion
L: Superficial posteror compartment of leg along with soleus and planters. Posterior side is flexor
Gluteus Maximus
O: sacrum
I: gluteal tuberosity of femur
A: principal extensor of femur/ lateral rotates femur
Gluteus Medius
O: Middle portion of ilium
I: Greater Trochanter of femur
A: medially rotates femur
Gracilis
O: Inferior ramis of pubis
I: medial surface of proximal tibia
A: Adduct Femur
L: Medial/ Posterior compartment of Thigh
Iliacus
O:
I: Lesser trochanter
A:
Palmaris longus
O: Medial epicondyle of humerus
I: palmar aponeurosis
A: weak flexion of wrist
Piriformis
O: pelvic surface of sacrum
I: Greater Trochanter of femur
A: lateral rotation of femur
Plantaris
O: Lateral supracondylar line of the femur
I: Calcaneus via calcanea tendon
A: Plantar flexion
L: Superficial posterior compartment of the leg (with gastrocnemius and soleus)
Popliteus
O: lateral surface of lateral condyle of femur
I: posterior surface of tibia just below condyles
A: Flexes and unlocks knee
Pronator teres
O: Medial epicondyle of humerus
I: Lateral surface of radius
A: Pronates forearm
Psoas major
O: transverse process of bodies of lumbar vertebrae
I: Lesser trochanter of femur
A: flexion of trunk and femur
Quadratus femoris
O: Ischial tuberosity
I: Greater Trochanter of femur
A: Lateral rotation of the femur
Rectus femoris
O: upper margin of acetabulum/ anterior inferior iliac one
I: Tibial tuberosity
A: Extend Tibia
Sartorius
O: Anterior superior iliac spine
I: Medial surface of proximal tibia
A: Flexes femur
Semimembanosus
O: Ischial tuberosity
I: medial condyle of tibia
A: Extends Femur
L: Posterior compartment of thigh
Semitendinosus
O: Ischial tuberosity
I: medial surface of proximal tibia
A: Extends Femur
L: Posterior compartment of thigh
Soleus
O: soleal line of tibia
I: Calcaneus via calcanea tendon
A: Plantar flexion
L: Superficial posteror compartment of leg along with gastrocnemius and plantaris. Posterior side is flexor.
Supinator
O: Lateral epicondyle
I: Lateral surface of the radius
A: Supinate forearm
Tensor fasciae latae
O: Illliac Crest
I: Illiotibial tract
A: Flexes femur
Vastus intermedius
O: Upper shaft of femur
I: Tibial tuberosity
A: Extend Tibia
Vastus lateralis
O: linea aspera of femur
I: Tibial tuberosity
A: Extend Tibia
Vastus medialis
O: linea aspera
I: Tibial tuberosity
A: Extend Tibia
Tibialis Anterior
O: Interosseous membrane
I: Base of 1st metatarsal/ medial cuneiform
A: Dorsiflexion
L: Anterior compartment of leg (with extensor digitorum longus and extensor hallucis longus). Anterior surface is the extensor surface
Tibialis Posterior
O: Posterior surface of tibia and fibula
I: Cuneiforms
A: Plantar Flexion
L: Deep posterior compartment of leg with Flexor digitorum longus and flexor hallucis longus) Posterior side is flexor side.
Flexor Hallucis Longis
O: Interosseous Membran
I: Distal phalanx of great toe
A: Flexes big Toe
L: Deep anterior compartment of leg with Tibialis Posterior and flexor digitorum longus) Posterior side is flexor side.
Reminder: All big toe and thumb muscles originate form the interosseous membrane.
