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22 Cards in this Set
- Front
- Back
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Flexor carpi radialis
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O - medial epicondyle of humerus
I - base of 2nd & 3rd metacarpal Nerve - Median Nerve Action - flexor of wrist; abducts hand |
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Flexor Carpi Ulnaris
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O - medial epicondyle of humberus; olecranon process & posterior surface of ulna
I - pisiform & hamate bones & base of 5th metacarpal Nerve - Ulnar Nerve |
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Flexor digitorium superficialis
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O - medial epicondyle of humerus, coronoid process of ulna
I - by 4 tendons into middle phalanges of fingers 2 - 5 Nerve - Median Nerve Action - Flexes wrist & middle phalanges of fingers 2 - 5 |
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Extensor carpi radialis longus
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O - lateral supracondylar ridge of humerus
I - base of 2nd metacarpal Nerve - Radial Nerve Action - extends wrist and abducts wrist |
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Extensor Digitorum
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O - lateral epicondyle of humerus
I - by 4 tendons into extensor expansions & distal phalanges of fingers 2-5 Nerve - Posterior interosseous nerve Action - prime mover of finger extension; extends wrist; can abduct fingers |
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Extensor carpi ulnaris
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O - lateral epicondyle of humberus & posterior border of ulna
I - base of 5th metacarpal Nerve - posterior interosseous nerve Action - extends wrist & abducts wrist |
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Sartorius
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O - anterior superior iliac spine
I - medial aspect of proximal tibia Nerve - Femoral Nerve Action - "tailors muscle" flexes, abducts & laterally rotates thigh; flexes knee |
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Gracilis
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O - inferior ramus & body of pubis & ischial ramus
I - medial surface of tibia Nerve - Obturator nerve Action - abducts thigh; flexes & medially rotates thigh; flexes knee |
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Quadriceps femoris
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O - arises from 4 seperate heads
I - quadriceps tendon Nerve - Femoral Nerve Action - powerful knee extensor used in running, jumping, climbing & rising from a seated position |
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Rectus Femoris
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O - anterior inferior iliac spine & superior margin of acetabulum
I patella & tibial tuberosity via patellar ligament Nerve - Femoral nerve Action - extends knee & flexes thigh at hip |
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Vastus Lateralis
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O - greater trochanter, intertrochanteric line, linea aspera
I - as for rectus femoris Nerve - Femoral nerve Action - extends and stabilizes knee |
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Vastus Medialis
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O - linea aspera, intertrochantric line
I - as for rectus femoris Nerve - Femoral Nerve Action - extends knee & stabilize patella |
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Tensor fasciae latae
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O - anterior aspect of iliac crest & anterior superior iliac spine
I - iliotibial tract Nerve - superior gluteal nerve Action - flexes & abducts thigh |
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Gluteus maximus
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O - dorsal ilium, sacrum, and coccyx
I - gluteal tuberosity of femur, iliotibial tract Nerve - inferior gluteal nerve Action - major extensor of thigh |
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Quadratus femoris
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O - ischial tuberosity
I - trochanteric crest of femur Nerve - L5 and S1 Action - Rotates thigh laterally & stabilizes hip joint |
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Biceps Femoris
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O - ischial tuberosity, linea aspera & distal femur
I - into head of fibula & later condyle of tibia Nerve - sciatic nerve Action - extends thigh & flexes knee |
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Seitendinosus
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O - ischial tuberosity
I - meidal aspect of upper tibial shaft Nerve - Sciatic nerve Action - extends thigh at hip; flexes knee |
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Tibialis anterior
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O - lateral condyle & upper 2/3 of tibial shaft
I - by tendon into inferior surface of medial cuneiform & 1st metatarsal bone Nerve - Deep fibular nerve Action - prime mover of dorsiflexion, inverts foot |
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Fibularis (peroneus) longus
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O - upper portion of lateral fibula
I - by long tendon that curves under foot to 1st metatarsal & medial cuneiform Nerve - Superficial fibular nerve Action - plantar flexes & everts foot |
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Gastrocnemius
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O - by 2 heads from medial & lateral condyles of femur
I - posterior calcanues Nerve - Tibial nerve Action - plantar flexes foot when knee is extended |
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Soleus
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O - extensisve origin from superior tibia, fibula & interosseous membrane
I - posterior calcaneus Nerve - Tibial Nerve Action - plantar flexes foot; postural muscle during walking, running & dancing |
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Extensor digitorium brevis
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O - anterior part of calcaneus bone
I - base of proximal phalanx of great toe Nerve - deep fibular nerve Action - helps extend toes at metatsophalangeal joints |
