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BMS172 > Thigh Region (2) > Flashcards

Thigh Region (2) Flashcards

1
Q

(Femur) where is the intertrochanteric line (front or back)?

A

Front

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2
Q

Why is the medial condyle larger ?

A

Weight distribution.

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3
Q

What attaches to the quadrate tubercle?

A

Quadratus Femoris

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4
Q

Identify 3 common femur fractures.

A
  1. Neck (due to weak trabecular bone and less compact bone)
  2. Spiral Fracture (different direction)
  3. Intertrochnteric
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5
Q

Femoral Triangle:

  • borders
  • contents
A

Borders:
Sartorious (lateral), adductor longs (medial), inguinal ligament (superior)

Contents (NAVL)
Femoral: Nerve, artery, vein, deep inguinal lymphatic nodes (from medial to lateral)

Floor: Pectinius + Illiopsoas

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6
Q

Retroinguinal Space

  • compartments
  • contents
A

Compartments:
Muscular compartment (illiacus + psoas major)
Illiopectinial Arch (between)
Vascular Compartment (fem. artery, vein + compartment)
Lacuna Ligament

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7
Q

Adductor Canal

  • Borders
  • Contents
A 
Borders: 
Vastus Medialis (Lateral), Sartorius (Anterio-medial), Adductor Longus (Posterior-medial)

Contents: Fem artery and Vein, SAPHENOUS NERVE AND NERVE TO VASTUS MEDIALIS

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8
Q

What are the two nerves in the Adductor Canal?

A
  1. Saphenous Nerve

2. Nerve to Vastus Medialis

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9
Q

What does the adductor Longus turn into?

A

1/3 the way down the thigh, the adductor longs turns into the adductor Magnus.

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10
Q

What is he Vastus Lateralis good for?

A

Inromuscular injections.

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11
Q

What happens if the ‘Articularis Genu’ is not working properly?

A

Supra patella bursa can get caught behind the patella during extension. (The Articularis gene stops the impingement of the bursa).

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12
Q

What makes up 22% of thigh movement?

A

Adductor Longus (brings thigh toward midline)

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13
Q

What is the largest muscle in the thigh?

A

Adductor Magnus

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14
Q

What is the weakest muscle in the thigh? And what can be done to it?

A

Gracillus. It can be used in implants. (e.g. anus implant)

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15
Q

Sartorius Attachment

A

ASIS and sup 1/2 pf notch inferior to ASIS > superior medial tibia (pes anserinus)

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16
Q

Sartorius Action

A

Action: Flexes thigh at hip, abducts thigh, laterally rotates thigh, flexes leg at knee

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17
Q

Sartorius Innervation

A

Inner: femoral nerve (L2,L3)

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18
Q

Rec Fem (attach)

A

Attach: ASIS and illium to acetabulum > base of patella and tibial tuberosity

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19
Q

Rec Fem (action)

A

Action: flexion of thigh at hip, extension of leg at knee

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20
Q

Rec Fem (Inner)

A

Inner: femoral nerve (L2,L3,L4)

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21
Q

Vastus Medialis (attach)

A

Attach: intertrochanteric line and medial lip of linea aspera > base of patella

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22
Q

Vastus Medialis (action)

A

Action: extend leg at knee + counterbalance lateral pull of rectus femoris and VMO

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23
Q

Vastus Medialis (inner)

A

Inner; Femoral nerve (L2, L3, L4)

24
Q

Vastus Lateralis (attach)

A

Attach: greater trochanter and lateral lip of linea aspera > base of patella.

25
Vastus Lateralis (action)
Action: extends leg at knee
26
Vastus Lateralis (Inner)
Inner: femoral nerve (L2, L3, L4)
27
Vastus Intermedius (attach)
Attach: anterior and lateral surface of femoral shaft > base of patella
28
Vastus Intermedius (action)
Action: extension of leg at knee
29
Vastus Intermedius (inner)
Inner: Femoral nerve (L2, L3, L4)
30
Articularis Genu (attach)
Attach: Inferior anterior shaft of femur and superior aspect of knee
31
Articularis Genu (action)
Action: Pulls synovisal membrane superiorly during extension of the leg at the knee
32
Pectineus (attach)
Attach: Superior pubic ramus > Pectineal Line
33
Pectineus (action)
Action: adducts and flexes thigh at hip joint, assists medial rotation
34
Pectineus (inner)
Inner: femoral nerve (L2, L3)
35
Adductor Longus (attach)
Attach: Body of pubis > middle ⅓ of linea aspera
36
Adductor Longus (action)
Action: Adducts thigh, active during flexion and extension of thigh and gait
37
Adductor Longus (inner)
Inner: Anterior division of the obturator nerve (L2, L3, L4)
38
Adductor Brevis (attach)
Attach: body of inferior ramus of pubis > pectineal line and proximal part of linea aspera.
39
Adductor Brevis (action)
Action: Adducts thigh, active during flexion and extension of thigh and gait.
40
Adductor Brevis (inner)
Inner: Anterior division of obturator nerve (L2, L3, L4)
41
Adductor Magnus (attach)
(adductor) inferior ramus of pubis + ramus of ischium > gluteal tuberosity + linea aspera (hamstring) ischial tuberosity > medial supracondylar line and adductor tubercle.
42
Adductor Magnus (action)
Action: Adducts thigh (adductor: flexes thigh), (hamstring: extends thigh)
43
Adductor Magnus (inner)
Inner: (aductor: posterior division of obturator nerve) (hamstring: sciatic nerve.
44
Gracilis (attach)
Attach: body and inferior ramus of pubis > superior medial tibia
45
Gracilis (action)
Action: Adducts thigh, flexes leg at knee, rotates leg medially
46
Gracilis (inner)
Inner: Obturator nerve (L2, L3)
47
Pes Anserinus
Attach: gracilis, semitendinosus and sartorius
48
Semitendinosus (attach)
Attach: ischial tuberosity > medial superior tibia
49
Semitendinosus (action)
Action: extends thigh at hip, flexes leg at knee, medially rotated leg if flexed.
50
Semitendinosus (inner)
Inner: Tibial division of sciatic nerve (L5, S1, S2)
51
Semimembranosus (attach)
Attach: Ischial tuberosity > posterior aspect medial tibial condyle
52
Semimembranosus (action)
Action: Extends thigh at hip, flexes leg at knee, medially rotates leg if flexed.
53
Semimembranosus (inner)
Inner: Tibial dividion of the sciatic nerve (L5, S1, S2)
54
Biceps Femoris (attach)
Attach: Long > ischial tuberosity. Short = linea aspera + lateral supracondylar line >> head of fibula
55
Biceps Femoris (action)
Action: Flexion at knee, extension of thigh at hip, laterally rotates leg if flexed.
56
Biceps Femoris (inner)
Inner: long > tibial division of sciatic (L5, S1, S2). Short > fibular division of sciatic (L5, S1, S2)

BMS172 (8 decks)

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