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Anatomy midterm 2 > Hip & Thigh > Flashcards

Hip & Thigh Flashcards

1
Q

Tibia & Fibula

A

Tibia is medial

Fibula is lateral

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2
Q

Carrying angle

A

Knee closer to midline: reduces resistance lever arm

Weight is mostly on medial side; medial condyle of femur is larger

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3
Q
A
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4
Q

Ligament btwn Tibia and Fibula?

A

Interosseous Ligament

(Site for muscle attachment)

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5
Q

ACL tear

A

(Anterior cruciate ligament)

Results from twisting bones of knee in opposite directions

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6
Q
A
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7
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8
Q
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9
Q

Patella

A

Intramembranous bone, forms in tendon, rides in patellar groove of femur.

Purpose: increase effort lever arm of quadriceps

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10
Q

Mammalian limb rotation

A
  • Evolutionary dorsal muscles are now anterior/lateral
  • Evolutionary ventral muscles are now posterior/medial
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11
Q
A

Tensor fascia latae

Att: iliac blade, IT band, lateral condyle of tibia

Inn: lumbosacral plexus

Action: hip abduction, flexion, medial rotation

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12
Q

IT band syndrome

A

Common in runners, inflammation of IT band

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13
Q
A

Gluteus maximus

Att: Iliac blade, sacrum, coccyx, IT band

Inn: lumbosacral plexus

Action: Hip extension, lateral rotation

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14
Q
A

Gluteus medius & minimus

Att: iliac blade, greater trochanter of femur

Inn: lumosacral plexus

Action: hip abduction

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15
Q

Pelvis evolution?

A

Apes: tall, coronally oriented iliac blades

Humans: short, sagitally oriented iliac blades

Gluteus medius and minimus shift from extensors (apes) to abductors (humans)

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16
Q

Pelvic tilt stabilization (standing on 1 leg): which muscles?

A

Gluteus medius and minimus

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17
Q
A

Sartorius

Att: Anterior superior iliac spine, tibia

Inn: femoral nerve

Action: hip abduction, flexion, lateral rotation, knee flexion

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18
Q
A

Femoral nerve

Innervates sartorius, pectineus, and quadriceps group

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20
Q
A

Rectus femoris

Att: Anterior Ilium, tibial tuberosity

Inn: femoral nerve

Action: hip flexion, knee extension

23
Q
A

All adduct, flex, and medially rotate hip

All originate from pubis

  • Gracilis
  • Adductor magnus, longus, brevis
  • Pectineus
24
Q
A

Obturator nerve

Innervates adductor group (except pectineus)

25
Q
A

Pectineus

Att: pubis, shaft of femur

Inn: femoral nerve

Action: hip adduction, flexion, medial rotation

26
Q
A

Gracilis

Inn: obturator nerve

Att: pubis

Action: hip adduction, flexion, medial rotation, knee flexion

28
Q
A

Adductor magnus

Att: pubis, ischial tuberosity, linea aspira

Inn: obturator & tibial nerves

Action: hip adduction, flexion, medial rotation, extension

30
Q
A

Piriformis

Att: sacrum, greater trochanter of femur (passes thru greater sciatic foramen)

Inn: lumbosacral plexus

Action: hip lateral rotation

31
Q
A

Obturator internis

Att: internal surface of obturator foramen, greater trochanter (passes thru lesser sciatic foramen)

Inn: lumbosacral plexus

Action: hip lateral rotation

32
Q
A

Obturator externis

Att: external surface of obturator foramen, greater trochanter

Inn: lumbosacral plexus

Action: hip lateral rotation

33
Q
A

Superior and inferior gemellus

Att: Ischial spine (sup), Ischial tuberosity (inf), greater trochanter

Inn: lumbosacral plexus

Action: hip lateral rotation

34
Q
A

Quadratus femoris

Att: ischial tuberosity, greater trochanter

Inn: lumbosacral plexus

Action: hip lateral rotation

35
Q
A

Sciatic nerve

Innervates posterior thigh (hamstrings), shank, foot

38
Q
A

Semitendinosus

Att: ischial tuberosity, tibia

Inn: tibial nerve

Action: hip extension, medial rotation, knee flexion

39
Q
A

Semimembranosus

Att: ischial tuberosity, tibia

Inn: tibial nerve

Action: hip extension, medial rotation, knee flexion

41
Q

Hip flexors?

42
Q

Hip extensors?

43
Q

Hip abductors?

44
Q

Hip adductors?

45
Q

Hip medial rotators?

46
Q

Hip lateral rotators?

Anatomy midterm 2 (6 decks)

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