Thigh and Knee Flashcards

1
Q

Linea Aspera

A

Line down posterior middle of femur

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2
Q

Gluteal Tuberosity

A

Raised lateral lip of linea aspera, below greater trochanter and lateral to lesser trochanter

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3
Q

Condyles

A

Two bulbs at end of femur; medial and lateral

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4
Q

Epicondyles

A

Two bumps above condyles of femur; medial and lateral

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5
Q

Adductor tubercle

A

Bump above medial epicondyle on femur

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6
Q

Supracondylar lines

A

Two lines on femur rising up from epicondles towards linea aspera; medial and lateral

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7
Q

Patella

A

Small bone localized in knee to serve as fulcrum increase range of motion of tendon

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8
Q

Intercondylar fossa

A

Depression between two condyles in which patella sits

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9
Q

2 Superficial Veins of Lower Extremity

A

Anterior: Greater saphenous vein
Posterior: Accessory saphenous vein

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10
Q

Deep Inguinal Nodes

A

Take all drainage from lower extremity

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11
Q

4 Parts of Quadriceps Femoris Muscle (and locations)

A

Rectus femoris m. - middle, crosses both joints
Vastus lateralis m. - lateral side
Vastus medialis m. - medial side
Vastus intermedius m. - underneath

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12
Q

Sartorius Muscle

A

Travels anteriorly from lateral hip to medial tibia, crossing and flexing both joints

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13
Q

Iliopsoas Muscle

A

Combination of psoas and iliacus m.s as they join in common tendon attaching to lesser trochanter to be major flexor

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14
Q

Tensor fascia lata

A

Runs from lateral hip to thigh, tenses fascia lata

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15
Q

5 Muscles of Anterior Thigh

A

Sartorius, quadriceps femoris, pectineus, iliopsoas, and tensor fascia lata

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16
Q

Innervation of Anterior Compartment Musculature (2)

A

All by femoral nerve

Pectineus m. may be innervated by obturator n. as well

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17
Q

Rectus femoris specific origin which he likes a lot

A

Anterior inferior iliac spine

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18
Q

5 Muscles of Medial Thigh

A
Adductor longus
Adductor brevis
Gracilis
Obturator externus
Adductor magnus
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19
Q

Function of Anteromedial Compartment Muscles

A

Adduction

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20
Q

Gracilis muscle (3)

A

Most medial of thigh muscles, crosses both joints, commonly pulled “groin” muscle

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21
Q

Adductor longus, brevis, and magnus relations

A

Longus most superficial, then brevis, the magnus is largest and deepest

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22
Q

Obturator externus

A

Arises from external portion of obturator foramen and runs very deep directly laterally

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23
Q

Medial Thigh Muscle Innervation (2)

A

All innervated by obturator nerve, adductor magnus m. by sciatic n. as well

24
Q

Adductor Hiatus

A

Gap between distal part of adductor magnus and femur/muscles that allows femoral a. and v. to pass from anterior surface to post. to pass around back of knee (and change names to popliteal)

25
Q

3 Posterior Thigh Muscles

A

Biceps femoris m.
Semitendinous m.
Semimembranous m.

26
Q

Innervation of Posterior Thigh Muscles

A

Sciatic nerve

27
Q

Semimembranous m.

A

Runs medially to biceps femoris long head

28
Q

Semitendinous m.

A

Runs kinda of on top of semimembranous, long tendon

29
Q

Biceps femoris m. (2)

A

Has long head running from ischial tuberosity crossing both joints, and short head running from linea aspera more laterally and only crossing knee joint

30
Q

3 Cutaneous Innervations of Thigh

A

Lateral, anterior, and posterior femoral cutaneous n.s

31
Q

Anterior Thigh Blood Source

A

Femoral artery

32
Q

6 Branches off Femoral Artery

A
Superficial circumflex iliac a.
Superficial epigastric a.
Superficial and deep external pudendal a.s
Profunda femoris a.
Descending genicular a.
33
Q

Descending genicular a.

A

(One of) last branch(es) of femoral a. just before it goes through adductor hiatus; comes off and supplies knee

34
Q

3 Branches of Profunda Femoris

A
Medial and lateral femoral circumflex a.s
Perforating branches (4)
35
Q

Perforating branches of profunda femoris

A

Pierce adductor magnus as profunda femoris a. passes along it and travel posteriorly to supply posterior thigh muscles

36
Q

Medial and lateral femoral circumflex arteries

A

Come off of femoris a. superiorly, travel around and anastomose w/ descending branch of inferiorly gluteal a. and ascending 1st perforating artery to form cruciate anastomosis

37
Q

Cruciate Anastomosis

A

Connection b/w external and internal iliacs: medial and lateral femoral circumflex a.s, inferior gluteal a., and 1st perforating a.

38
Q

Obturator artery

A

Anterior and posterior branches, supplies medial thigh

39
Q

Posterior Thigh Blood Supply (2)

A

Medial femoral circumflex a.

Perforating branches of profunda femoris a.

40
Q

4 Borders of Femoral Triangle

A

Sup: Inguinal ligament
Medial: Adductor longus m.
Lat: Sartorius m.
Floor: Iliopsoas m. and pectineus m.

41
Q

4 Contents of Femoral Triangle

A

Femoral nerve (lateral)
Femoral artery
Femoral vein (median)
Femoral sheath

42
Q

Femoral Sheath

A

Extension of iliac fascia dragged by external iliac a. and v. as they descend into thigh

43
Q

3 Compartments of Femoral Sheath (and their contents)

A

Lateral: femoral a.
Intermediate: femoral v.
Medial: femoral canal - fat and lymphatics

44
Q

5 Boundaries of Popliteal Fossa

A

Superolateral - Biceps femoris m.
Superomedial - Semimembranous and semintendinous m.s
Inferolateral - Gastrocnemius m., lateral head
Inferiomedial - Gastrocnemius m., medial head
Floor - Popliteal surface of femur, oblique popliteal ligament and popliteus m.

45
Q

7 Components of Knee Joint

A
Patellar ligament
Anterior Cruciate Ligament (ACL)
Posterior Cruciate Ligament (PCL)
Fibular Collateral Ligament (LCL)
Tibial Collateral Ligament (MCL)
Medial and Lateral Meniscus
46
Q

Anterior Cruciate Ligament Path

A

Posterior superior to anterior inferior, from anterior aspect of tibia to lateral condyle of femur

47
Q

2 Actions of ACL

A

Prevents anterior translation of tibia/posterior translation of femur, also checks medial rotation

48
Q

Posterior Cruciate Ligament Path

A

Anterior superior to posterior inferior, runs from posterior aspect of tibia to anterior aspect of medial condyle of femur

49
Q

Posterior Cruciate Ligament Action

A

Prevent posterior translation of tibia or anterior translation of femur

50
Q

Fibular Collateral Ligament Path

A

Lateral femoral epicondyle to head of fibula

51
Q

Fibular Collateral Ligament Action

A

Checks verus stresses/provides lateral stability

52
Q

Tibial Collateral Ligament Path (2)

A

Medial femoral epicondyle to medial condyle of tibia

Connected to medial meniscus

53
Q

TIbial Collateral Ligament Action

A

Checks valgus stresses/provides medial support

54
Q

Medial Meniscus

A

C-shaped Fibrocartilage lying between medial femoral condyle and medial tibial condyle to act as shock absorber

55
Q

Lateral Meniscus

A

Circular-shaped Fibrocartilage lying between lateral femoral condyle and lateral tibial condyle to serve as shock absorber

56
Q

Terrible Triad (what it is and cause)

A

Tear/injury to ACL, MCL, and medial meniscus, caused by blow to postero-lateral aspect of tibia when foot is planted and knee locked/slightly flexed