Muscles of Thigh and Femoral Triangle Flashcards

1
Q

THIGH

A

Surrounded by Fascia lata
Strengthened Iliotibial Tract Laterally
- Tract runs from Ilium to Lateral Tibial Condyle
ANTERIOR COMPARTMENT
~ Quads
MEDIAL COMPARTMENT
~ Adductors
POSTERIOR COMPARTMENT
~ Hamstrings

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2
Q

ILIOTIBIAL TRACT

A

Thickening of Fascia Lata Laterally
Iliac Crest Tuberculum to Lateral Condyle Tibia
Insertion of muscles:
- Gluteus Maximus Posteriorly
- Tensor Fascia Latae Anteriorly

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3
Q

TENSOR FASCIAE LATAE (Origin)

A

Lateral aspect Ilium
- Posterior to Anterior Superior Iliac Spine (ASIS)

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4
Q

TENSOR FASCIAE LATAE (Insertion)

A

Iliotibial Tract

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5
Q

TENSOR FASCIAE LATAE (Action)

A

Stabilize knee joint when extended

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6
Q

TENSOR FASCIAE LATAE (Innervation)

A

SUPERIOR Gluteal Nerve (L4-S1)

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7
Q

BICEPS FEMORIS (Origin)

A

LONG head
- Inferomedial surface Superior Surface Ischial Tuberosity
SHORT head
- Lateral lip Linea Aspera femur

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8
Q

BICEPS FEMORIS (Insertion)

A

Lateral surface head Fibular

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9
Q

BICEPS FEMORIS (Action)

A

Extension hip joint
Lateral Rotation hip joint
Flexion knee joint

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10
Q

BICEPS FEMORIS (Innervation)

A

Sciatic Nerve (L4-S3)
~ LONG head (Tibial division)
~ SHORT head (Common Fibular division)

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11
Q

SEMITENDINOSUS (Origin)

A

Inferomedial surface Superior surface Ischial Tuberosity
(Same as Biceps femoris)

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12
Q

SEMITENDINOSUS (Insertion)

A

Medial surface Proximal end Tibia

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13
Q

SEMITENDINOSUS (Action)

A

Extension hip joint
Flexion knee joint

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14
Q

SEMITENDINOSUS (Innervation)

A

Tibial Division of Sciatic Nerve (L4-S3)

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15
Q

SEMIMEMBRANOSUS (Origin)

A

Superolateral impression Ischial Tuberosity

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16
Q

SEMIMEMBRANOSUS (Insertion)

A

Groove and Adjacent bone
- Medial and Posterior surface Medial condyle Tibia

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17
Q

SEMIMEMBERANOSUS (Action)

A

Extension hip joint
Flexion knee joint

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18
Q

SEMIMEMBERANOSUS (Innervation)

A

Tibial Division of Sciatic Nerve (L4-S3)

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19
Q

SCIATIC NERVE (L4-S4)

A

COMMON FIBULAR Division
- Inferior /Superior Gluteal Nerve
- Nerve to piriformis
- Perforating Cutaneous Nerve
TIBIAL Division
Nerve to Quadratus Femoris
Nerve to Obturator Internus
Pudendal Nerve

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20
Q

ILIOPSOAS

A

Psoas Major and Iliacus

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21
Q

PECTINEUS (Origin)

A

Superior Pubic Ramus (Pectineal Line)

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22
Q

PECTINEUS (Insertion)

A

Posterior aspect Femur, Inferior to Lesser Trochanter

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23
Q

PECTINEUS (Action)

A

Adduction
Flexion

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24
Q

PECTINEUS (Innervation)

A

Femoral Nerve (L2-L4)

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25
Q

SARTORIUS (Origin)

A

(Longest muscle in body)
Anterior Superior Iliac Spine

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26
Q

SARTORIUS (Insertion)

A

Upper Medial surface Tibia

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27
Q

SARTORIUS (Action)

A

Flexion hip and knee joint
Lateral Rotation hip joint

28
Q

SARTORIUS (Innervation)

A

Femoral Nerve (L2-L4)

29
Q

RECTUS FEMORIS (Origin)

A

STRAIGHT head
- Anterior Inferior Iliac Spine
REFLECTED head
- Ilium, above Acetabulum

30
Q

RECTUS FEMORIS (Insertion)

A

Superior border Patella
~ via Quadriceps Tendon
Inserts Tibial Tuberosity
~ via Patella Ligament

31
Q

RECTUS FEMORIS (Action)

A

Flexion hip
Extension knee

32
Q

RECTUS FEMORIS (Innervation)

A

Femoral Nerve (L2-L4)

33
Q

VASTUS LATERALIS (Origin)

A

Lateral margin Intertrochanteric line and Linea Aspera
Lateral margin Gluteal Tuberosity and Greater Trochanter
(ONLY on Femur)

34
Q

VASTUS LATERALIS (Insertion)

A

Lateral aspect Patella
~ via Quadriceps tendon
Inserts Tibial Tuberosity
~ via Patella ligament

35
Q

VASTUS LATERALIS (Action)

A

Extension knee

36
Q

VASTUS LATERALIS (Innervation)

A

Femoral Nerve (L2-L4)

37
Q

VASTUS MEDIALIS (Origin)

A

Medial margin Intertrochanteric line and Linea Aspera
Pectineal line and Medial Supracondylar line

38
Q

VASTUS MEDIALIS (Insertion)

A

Medial aspect Patella
~ via Quadriceps tendon
Inserts Tibial Tuberosity
~ via Patella ligament

39
Q

VASTUS MEDIALIS (Action)

A

Extension knee

40
Q

VASTUS MEDIALIS (Innervation)

A

Femoral Nerve (L2-L4)

41
Q

VASTUS INTERMEDIUS (Origin)

A

Upper 2/3 Anterior and Lateral surface Femoral Shaft

42
Q

VASTUS INTERMEDIUS (Insertion)

A

Base patella and Posterior Rectus Femoris tendon
Quadriceps tendon (Tibial Tuberosity)

43
Q

VASTUS INTERMEDIUS (Action)

A

Extension knee

44
Q

VASTUS INTERMEDIUS (Innervation)

A

Femoral Nerve (L2-L4)

45
Q

GRACILIS (Origin)

A

Body Pubis and Ischiopubic Ramus

46
Q

GRACILIS (Insertion)

A

Medial surface proximal shaft Tibia

47
Q

GRACILIS (Action)

A

Adduction hip
Flexion knee

48
Q

GRACILIS (Innervation)

A

Obturator Nerve (L2-L4)

49
Q

ADDUCTOR LONGUS (Origin)

A

External surface body Pubis

50
Q

ADDUCTOR LONGUS (Insertion)

A

Lined Aspera Middle 1/3 Femoral Shaft

51
Q

ADDUCTOR LONGUS (Action)

A

Adduction of hip
Medial Rotation of hip

52
Q

ADDUCTOR LONGUS (Innervation)

A

Anterior Division of Obturator Nerve (L2-L4)

53
Q

ADDUCTOR BREVIS (Origin)

A

External surface body Pubis and Ischiopubic Ramus

54
Q

ADDUCTOR BREVIS (Insertion)

A

Posterior surface proximal surface Femur
Upper 1/3 Linea Aspera

55
Q

ADDUCTOR BREVIS (Action)

A

Adduction of hip
Medial Rotation of hip

56
Q

ADDUCTOR BREVIS (Innervation)

A

Obturator Nerve (L2-L4)

57
Q

ADDUCTOR MAGNUS (Origin)

A

ADDUCTOR Part
~ Ischiopubic Ramus
HAMSTRING Part
~ Ischial Tuberosity

58
Q

ADDUCTOR MAGNUS (Insertion)

A

(ONLY on Femur)
ADDUCTOR Part
~ Posterior surface proximal femur and Linea Aspera
~ Medial Supracondylar line
HAMSTRING Part
~ Adductor Tubercle

59
Q

ADDUCTOR MAGNUS (Action)

A

ADDUCTOR Part
~ Adduction hip joint
HAMSTRING Part
~ Extension hip joint

60
Q

ADDUCTOR MAGNUS (Innevation)

A

ADDUCTOR Part
~ Obturator Nerve (L2-L4)
HAMSTRING Part
~ Sciatic Nerve (L4-S3)

61
Q

FEMORAL TRIANGLE (Borders)

A

BASE = Inguinal ligament
LATERAL BORDER = Medial border Sartorius
MEDIAL BORDER = Medial border Adductor Longus

62
Q

FEMORAL TRIANGLE (Roof)

A

(Femoral Ring ~ opening of femoral triangle)
Skin
Fascia
Saphenous opening

63
Q

FEMORAL TRIANGLE (Floor)

A

Iliopsoas
Pectineus
Adductor Longus

64
Q

FEMORAL TRIANGLE (Contents)

A

NAVEL (Lateral to Medial)
N= nerve
A= artery
V= vein
E= empty space
L= lymph node
[ONLY Femoral artery and Femoral vein within Femoral sheath]

65
Q

ADDUCTOR CANAL (Borders)

A

ROOF= Sartorius
POSTERIOR= Adductor Longus and Adductor Magnus
LATERAL= Vastus Medialis

66
Q

ADDUCTOR CANAL (Contents)

A

Femoral artery
Femoral vein
Saphenous Nerve