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31 Cards in this Set
- Front
- Back
Four muscles arise by a common tendon from the lateral epicondyl of humerus:
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1. extensor carpi radialis brevis
2. extensor digitorum 3. extensor digiti minimi 4. extensor carpi ulnaris |
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What are the six superficial muscles of the forearm extensors?
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1. extensor carpi radialis brevis
2. extensor digitorum 3. extensor digiti minimi 4. extensor carpi ulnaris 5. brachioradialis 6. extensor carpi radialis |
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What are the 5 musclest belong to the deep group and all arise from the radius and ulna?
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1. abductor pollicis longus
2. extensor pollicis brevis 3. extensor pollicis longus 4. extensor indicisWha |
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What is the extensor expansion?
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Holds the muscles in place. Covers the distal tendon of the extensor digitorum.
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Lumbrical muscles
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Four small muscles associated with the tendons on flexor digitorum profundus.
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Interosseus muscles
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8 muscles (3 palmar and 4 dorsal)
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What is the function of the intrinsic hand muscles?
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Enter into activity during MCP and IP flexion and extension.
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Quadratus lumborum
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4 sided muscle that attaches to iliac crest, 12th rib, and lumbar vertebrae.
Action: pulls ribs down and add to force of expiration. |
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Psoas major
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Lie on the bodies of the lumbar vertebrae.
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Piriformis
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Attaches to sacrum and femur and laterally rotates femur.
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Gluteus maximus
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Inserts into iliotibial tract. Powerful extensor of thigh.
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Gluteus medius
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Inserts into greater trochanter of femur.
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Gluteus minimus
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Attaches to ilium and greater trochanter
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What is the action of the gluteus medius and minimus?
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Abduct and medially rotate femur. For walking.
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"Hamstring" muscles are consisted of which muscles?
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Biceps femoris
Semitendinosus Semimembranosus |
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Biceps femoris
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Long head and short head arising from femur.
Attaches to popliteal fossa. |
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Semitendinosus
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Attaches on upper tibia.
Arises from ishial tuberosity. |
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Semimembranosus
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Arises from ischial tuberosity and inserts into medial condyle of tibia.
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What are the 4 adductors of the thigh?
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1. adductor longus
2. adductor brevis 3. gracilis 4. adductor magnus 1-3: arise from pubis Adductor magnus arise from ischium. All four insert at shaft of femur. |
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Sartorius
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From Anterior superior iliac spine and to medial surface of tibia.
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What are the four quadricep muscles?
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1. rectus femoris
2. vastus lateralis 3. vastus medialis 4. vastus intermedius |
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Where do all the quadricep muscles insert? Function?
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Tibia. Extensor the leg at the knee.
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Where does the patella develop?
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A sesamoid bone that develops in the quadriceps femoris tendon.
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Flexor digitorum longus
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From tibia
To distal phalanges 2-5 |
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Flexor hallucis longus
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From fibula
To distal phalanx of big toe |
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Tibialis posterior
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Most deep
From: tibia and fibula To: 3 metatarsals Invert foot or adduct |
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Tibialis anterior
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From tibia
To medial cuneiform and first metatarsal bones. Action: dorsiflexes and inverts foot. |
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Fibularis longus and brevis
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Lateral compartment
From: fibula and tibia To First metatarsal and cuneiform. A: evert foot and aid in plantar flexion. |
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Biceps brachii
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Long head: from supraglenoid tubercle.
Short head: from coracoid process. Insert at radial tuberosity. |
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Triceps brachii
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Insert at olecranon
Long head Medial head Lateral head Extends forearm |
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Brachialis
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Insert at coronoid process of ulna
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