Thigh Flashcards

1
Q

Name the muscles in the anterior compartment of the thigh.

A

Iliopsoas, Quadriceps femoris, Sartorius, Pectineus

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2
Q

What 4 muscles make up the quadriceps femoris?

A

vastus lateralis, vastus medialis, vastus intermedus, rectus femoris

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3
Q

What 2 muscles make up the iliopsoas?

A

Psoas major and the iliacus

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4
Q

What is the origin site of the Psoas Major?

A

Lumbar vertebrae

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5
Q

What is the origin site of the iliacus?

A

Iliac fossa

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6
Q

What is the origin site of the vastus lateralis?

A

Greater trochanter and the lateral lip of the linea aspera

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7
Q

What is the origin site of the vastus medialis?

A

intertrochanteric line and the medial lip of linea aspera

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8
Q

What is the origin site of the vastus intermedus?

A

Anterior and lateral surfaces of the femoral shaft

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9
Q

What is the origin site of the rectus femoris?

A

Ilium, just superior the acetebulum

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10
Q

What is the origin site of the sartorius?

A

Anterior superior iliac spine

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11
Q

What is the origin site of the pectineus?

A

pectineal line on the anterior surface of the pelvis

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12
Q

What is the attachment site of the psoas major?

A

Joins with the iliacus and inserts onto the lesser trochanter of the femur

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13
Q

What is the attachment site of the iliacus?

A

Joins with the psoas major onto the lesser trochanter of the femur

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14
Q

What is the attachment site of the vastus medialis?

A

Attach to patella via the patella tendon

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15
Q

What is the attachment site of the vastus laterialis?

A

Attach to patella via the patella tendon

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16
Q

What is the attachment site of the vastus intermedus?

A

Attach to patella via the patella tendon

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17
Q

What is the attachment site of the rectus femoris?

A

Attach to patella via the patella tendon

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18
Q

What is the attachment site of the sartorius?

A

Superior, medial surface of tibia

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19
Q

What are the nerves of the anterior compartment?

A

L1-L3 innervate Psoas Major

Femoral Nerve innervates everything else

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20
Q

What is the attachment site of the pectineus?

A

Pectineal line on the posterior side of the femur

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21
Q

What is the action of the iliopsoas?

A

flexes the lower limb at the hip joint and assists in lateral rotation at the hip joint

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22
Q

What is the action of the vastus lateralis?

A

Extends the knee joint and stabilises the patella

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23
Q

What is the action of the vastus intermedus?

A

Extends the knee joint and stabilises the patella.

24
Q

What is the action of the vastus medialis?

A

Extends the knee joint and stabilises the patella (due to horizontal fibres)

25
Q

What is the action of the rectus femoris?

A

It flexes the leg at the hip joint, and extends at the knee joint

26
Q

What is the action of the sartorius?

A

At the hip joint, it is a flexor, abductor and lateral rotator. At the knee joint, it is also a flexor

27
Q

What is the action of the pectenus?

A

Adduction and flexion at the hip joint.

28
Q

What are the muscles of the posterior compartment?

A

Adductor magnus, adductor longus, adductor brevis, obturator externus, gracillis

29
Q

What is the origin of the adductor magnus?

A

Adductor part - inferior rami of the pubis, rami of ischium

Hamstring part - ischial tuberosity

30
Q

What is the origin of the adductor longus?

A

The pubis

31
Q

What is the origin of the adductor brevis?

A

The body and inferior rami of the pubis

32
Q

What is the origin of the obturator externus?

A

Membrane of the obturator foremen

33
Q

What is the origin of the gracilis?

A

Inferior rami of pubis

34
Q

What is the attachment of the adductor magnus?

A

Adductor part- linea aspera of the femur

Hamstring part - adductor tubercle an the medial supracondylar line of the femur

35
Q

What is the attachment of the adductor longus?

A

Linea Aspera

36
Q

What is the attachment of the adductor brevis?

A

Linea Aspera

37
Q

What is the attachment of the obturator foremen?

A

Posterior of the greater trochanter

38
Q

What is the attachment of the gracillis?

A

Medial surface of tibia

39
Q

What are the nerves of the medial compartment of the thigh?

A

Hamstring of adductor magnus - tibial nerve (L4-S3)

rest is the Obturator nerve (L2-L4)

40
Q

What is the action of the adductor magnus?

A

Adduction of the hip
Adductor part - flexion of thigh
Hamstring - extension of thigh

41
Q

What is the action of adductor longus?

A

Adduction and medial rotation of thigh

42
Q

What is the action of adductor brevis?

A

Adduction of thigh

43
Q

What is the action of obturator foremen?

A

Laterally rotates the thigh

44
Q

What is the action of gracillis?

A

Adduction of the thigh at the hip, and flexion of the leg at the knee

45
Q

What are the muscles of the posterior compartment of the thigh?

A

Biceps femoris, semitendinosus , semimembranosus

46
Q

What are the origins of the biceps femoris?

A

Long head - Ischial tuberosity and the Short head - linea aspera on the posterior surface of the femur

47
Q

What are the origins of the semitendinosus?

A

Ischial tuberosity

48
Q

What are the origins of the semimembranosus?

A

Ischial tuberosity

49
Q

What is the attachment of the biceps femoris?

A

Inserts into the head of the fibulla

50
Q

What is the attachment of the semitendinosus?

A

Medial surface of the tibia

51
Q

What is the attachment of the semimembranosus?

A

Medial tibial condyle

52
Q

What are the nerves of the posterior compartment?

A

Biceps short head - common fibular nerve

Everything else is tibial part of sciatic nerve

53
Q

What is the action of the biceps femoris?

A

Flexion at the knee, extends the leg at the hip and laterally rotates at the hip and knee

54
Q

What is the action of the semitendinosus?

A

Flexion of the leg at the knee joint. Extension of thigh at the hip, Medially rotates the thigh at the hip joint and the leg at the knee joint/

55
Q

What is the action of the semimembranosus?

A

Flexion of the leg at the knee joint. extension of the thigh at the hip. Medially rotates the thigh at the hip joint and the leg at the knee joint.