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27 Cards in this Set
- Front
- Back
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Tibiofibular syndesmosis
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A compound fibrous joint.
This joint maintains the position of the lateral malleolus. |
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What are the distal tibia and fibula connected by?
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interosseous tibiofibular ligament, ( distal continuation interosseous membrane)
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Crossed leg test
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Used to detect a syndesmotic sprain/ high ankle sprain
-Pain is elicited when pressure is applied to lower lateral leg |
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Which bone of the foot is for weight bearing
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Calcaneus
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What nerve innervates the lateral muscles (evertors) of the foot
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Superficial fibular n.
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What innervates the posterior m. (plantar flexors) of the ankle?
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Tibial n.
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What innervates the anterior m. (dorsiflexors) of the ankle?
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Deep fibular n.
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Compartment syndrome
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Trauma or infection in one of the compartments which increase the pressure which compreses the nerve and the artery that supply the muscles to that compartment.
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What are some of the causes of compartment syndrome?
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Fractures
Burns Crush injuries Arterial injuries |
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What happens if severe compartment syndrome is not dealt with?
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myoglobinuria, renal failure, metabolic acidosis, hyperkalemia, ischemic contracture
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Achilles Tendonitis
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Inflammation of the tendon and sheath
-tendon is overloaded due to extensive stress |
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Retrocalcaneal Bursitis
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(pump bump)
inflammation of bursa beneath achilles tendon that develops over time -Can be caused by rubbing of shoe on the heel |
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Achilles Tendon Rupture
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Occurs with sudden stop and go; forceful plantar flexion with knee moving into full extension
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The tibial n. changes name at what structure?
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at popliteal fossa
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Tibial n. innervates?
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all posterior compartment muscles of the leg
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What innervates the anterior muscles of the leg?
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Deep fibular n.
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What does injury to the common fibular n. cause?
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Foot drop - Paralysis of ant. and lat. compartments.
-Loss of eversion and dorsiflexion |
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Vericose veins
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insufficiency in the valves of the veins
-back of blood causes veins to become lumpy |
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Muscolovenous pump
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Muscle contraction allow the blood to be pushed superiorly and return to you circulatory system
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The femoral a. changes its name to the popliteal a. at what structure?
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adductor hiatus
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The ant. tibial a. passes through the interosseous membrane and becomes what?
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the dorsalis pedis a. on the dorsum of the foot
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What is in the anterior compartment
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Deep fibular n.
Anteror tibial a. |
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What structures are in the later compartment
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superficial Fibular n.
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What structures are in the posterior compartment
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Tibial n.
Posterior tibial a. Fibular a. |
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Tarsal tunnel
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Passage way into the foot for the tibial n.
post. tibial a. long flexors (TP, FDL, FHL) |
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Popliteal fossa is formed by
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biceps femoris
semimembranosus semitendinosus Gastrocnemius Popiteal fascia and skin Femur/ knee capsul |
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Popliteal artery entrapement syndrome
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compresion of the popliteal bloodvessels which restricts bloodflow to structures of thepopliteal space
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