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MSK - Anatomy > LL summary > Flashcards

LL summary Flashcards

1
Q

What are the ligaments of the hip?

A

Iliofemoral, ischiofemoral and pubofemoral

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2
Q

Where is the attachment of the psoas major and iliacus?

A

Together form the iliopsoas tendon inserting on the lesser trochanter of the femur

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3
Q

What is the innervation of the hip flexor muscles?

A

Psoas major - L1-L3
Iliacus and pectineus - femoral nerve

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4
Q

What is the origin and insertion of the gluteus maximus?

A

Origins - gluteal surface of ilium, sacrum and coccyx
Insertion - iliotibial tract and gluteal tuberosity of femur

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5
Q

What is the insertion of the adductor longus, brevis and magnus muscles?

A

Linea aspera of the femur

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6
Q

What is the origin and insertion of the obturator externus?

A

Origin - membrane of obturator foramen and adjacent bone
Insertion - posterior aspect of the greater trochanter

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7
Q

What is the origin and insertion of the gracilis?

A

Origin - inferior rami of the pubis
Insertion - medial surface of tibial shaft

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8
Q

What is the innervation of the hip adductor muscles?

A

Obturator nerve

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9
Q

What is the insertion of the hip abductors?

A

Greater trochanter of the femur - gluteus medius, minimis and piriformis muscles

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10
Q

What is the innervation of the hip abductor muscles?

A

Gluteus medius and minimis - superior gluteal nerve
Piriformis - nerve to piriformis from sacral plexus

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11
Q

What is the actions of the gluteus medius and minimus?

A

Abduction and medial rotation

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12
Q

What is the action of the piriformis muscle?

A

Abduction and lateral rotation

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13
Q

What are the external rotators of the hip?

A

Piriformis, obturator externus, superior + inferior gomelli, obturator internus and quadratus femoris

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14
Q

What is the insertions of the hip external rotators?

A

Superior + inferior gomelli and obturator internus - greater trochanter of the femurs
Quadratus femoris - intertrochanter crest

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15
Q

What are the internal rotators of the hip?

A

Tensor fascia lata
Anterior fibres of gluteus medius and minimus

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16
Q

What muscles make up the pas anserinus?

A

Gracilis
Sartorius
Semitendinosus

17
Q

What is the origin and insertion of the semimembranosus and semitendinosus?

A

Origin - ischial tuberosity of the pelvis
Insertion - semimembranosus inserts onto medial condyle and semitendinosus onto medial surface of tibia

18
Q

What are the actions of the hamstrings?

A

Biceps femoris - flexion of knee, extension of hip and latera rotation
Semimembranosus and semitendinosus - medial rotation, flexion of knee and extension of hip

19
Q

What are the roots of the sciatic nerve?

A

L4-S3

20
Q

What are the roots of the superior and inferior gluteal nerve?

A

Superior - L4-S1
Inferior - L5-S2

MSK - Anatomy (11 decks)

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