Lower Ex Flashcards

0
Q

Which ligament is lax when the knee is flexed?

A

ACL

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1
Q

Flexion of toes - inn

A

Tibial n

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2
Q

Which ligament is lax when knee is extended

A

PCL

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3
Q

Prevents anterior displacement of tibia on femur

A

ACL

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4
Q

Forced adduction of leg at knee may injure ?

A

Lateral/ Fibular collateral ligament

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5
Q

Forced abduction of leg at knee may injure?

A

Tibial/ medial collateral ligament

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6
Q

Unhappy triad

A

ACL
MCL
Med meniscus

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7
Q

Patellar fracture - symptom?

A

Difficult leg extension at knee

Transverse fracture line

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8
Q

Knee extension - muscles, nerve

A

Quad femoris

Femoral nerve

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9
Q

Knee flexion - muscle, nerve

A

Biceps femoris, semimem, semiten

Sciatic

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10
Q

Lateral rotation of knee - muscle, nerve

A

Biceps femoris

Sciatic

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11
Q

Medial knee rotation - muscles

A

Sartorius, gracilis, semitendinosus

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12
Q

Can’t flex knee - nerve

A

Sciatic nerve, tibial nerve

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13
Q

Artery that may be injured with surgery of femoral hernia

A

Obturator artery - from internal iliac artery

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14
Q

Femoral artery - branch of?

A

External iliac

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15
Q

Femoral artery in relation to inguinal ligament

A

Enters femoral triangle posterior to inguinal ligament

16
Q

Main blood supply to head and neck of femur

A

Medial circumflex artery - from profunda femoris

17
Q

Femoral artery becomes the popliteal artery where?

A

Adductor hiatus

18
Q

Termination of anterior tibial artery

A

Dorsalis pedis

19
Q

Location of dorsalis pedis artery

A

Between EHL tendon and EDL tendon

Midway between medial and lateral maleolus

20
Q

Great saphenous - empties into?

A

Femoral vein

21
Q

Lesser saphenous - empties into?

A

Popliteal vein

22
Q

MC involved in DVT

A

Anterior and posterior tibial veins

23
Q

Ankle inversion - ligament injured

A

Anterior talofibular

24
Q

Harvest of greater saphenous for CABG

A

Superficial to thigh fascia lata

25
Q

Drainage of medial leg and thigh

A

Great saphenous

26
Q

Drainage of lateral leg

A

Lesser saphenous

27
Q

Mc site of femoral neck fracture

A

Subcapital

Typical pt: elderly woman with osteoporosis

28
Q

Legg Perthes disease

A

Idiopathic avascular necrosis of head of femur

Caucasian boys

29
Q

Insertion of ACL? Action?

A

Medial surface of lateral condyle of femur

Prevents anterior displacement of tibia to femur or posterior displacement of femur on tibia

30
Q

Injury that can cause ACL tear?

A

Hyper extension injury

31
Q

Ankle joint

A

Tibia with trochlea of the talus

32
Q

Pott fracture

A

Occurs when foot is forcibly everted - Fibular fracture, avulsion of medial malleolus

33
Q

What forms the base of the femoral triangle

A

Inguinal ligament