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GROSS > LE muscles > Flashcards

LE muscles Flashcards

1
Q

Pectineus Purposeful Activity

A

Playing hacky sack, crossing legs

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2
Q

Pectineus Muscle Action

A

Adducts and slightly flexes hip joint;
assists with lateral rotation

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3
Q

Pectineus Proximal Attachment

A

Superior ramus of pubis

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4
Q

Pectineus Distal Attachment

A

Pectineal line of femur, just inferior to lesser trochanter

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5
Q

Pectineus Nerve Innervation

A

Femoral nerve (L2, L3); may receive a branch from
obturator nerve

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6
Q

Sartorius Purposeful Activity

A

Sitting on floor, meditation, yoga

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7
Q

Sartorius Muscle Action

A

Flexes, abducts, and laterally rotates hip joint;
Flexes knee joint (medially rotates leg when knee joint is flexed)

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8
Q

Sartorius Proximal Attachment

A

Anterior superior iliac spine and superior part of notch inferior to it

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9
Q

Sartorius Distal Attachment

A

Superior part of medial surface of tibia (as part of pes anserinus

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10
Q

Sartorius Nerve Innervation

A

Femoral nerve (L2, L3)

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11
Q

Superficial Glute Muscles

A
  • Glute Max, Med, Min
  • Tensor Fascia Latae
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12
Q

Glute Maximus Purposeful Activity

A

Squatting, sit to stand, bed mobility (bridges)

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13
Q

Glute Maximus Muscle Action

A

Extends hip joint (especially from flexed position) and assists in lateral rotation; fixes hip joint and assists in rising from sitting position

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14
Q

Glute Maximus Proximal Attachment

A

Ilium posterior to posterior gluteal line; dorsal surface of sacrum and coccyx; sacrotuberous ligament

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15
Q

Glute Maximus Distal Attachmnet

A

Most fibers end in iliotibial tract, which inserts into lateral condyle of tibia; some fibers insert on gluteal tuberosity.

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16
Q

Glute Maximus Nerve Innervation

A

Inferior gluteal nerve (L5, S1, S2)

17
Q

Glute Medius Purposeful Activity

A

Smooth walking, standing on one leg to
dress/shower

18
Q

Glute Medius Muscle Action

A

Abduct and medially rotate hip joint
Posterior fibers externally rotate (clam)
Keeps pelvis level when ipsilateral limb is weight bearing and advance opposite (unsupported) side during its swing phase

19
Q

Glute Medius Proximal Attachment

A

External surface of ilium between anterior and posterior
gluteal lines

20
Q

Glute Medius Distal Attachment

A

Lateral surface of greater trochanter of femur

21
Q

Glute Minimus Purposeful Activity

A

Walk, standing on one leg to dress/shower

22
Q

Glute Medius Nerve Innervation

A

Superior Gluteal nerve (L5, S1)

23
Q

Glute Minimus Muscle Action

A

Abduct and medially rotate hip joint; keep pelvis level when ipsilateral limb is weight bearing and advance opposite (unsupported) side during its swing phase

24
Q

Glute Minimus Proximal Attachment

A

External surface of ilium between anterior and inferior gluteal lines

25
Q

Glute Minimus Distal Attachment

A

Anterior surface of greater trochanter of femur

26
Q

Glute Minimus Nerve innervation

A

Superior Gluteal nerve (L5, S1)

27
Q

Tensor Fascia Latae Purposeful Activity

A

Running, single leg squatting

28
Q

Tensor Fascia Latae Muscle Action

A

Medially rotate hip joint!
Abduct hip joint
Keep pelvis level when ipsilateral limb is weight bearing and advance opposite (unsupported) side during its swing phase

29
Q

Tensor Fascia Latae Proximal Attachment

A

Anterior superior iliac spine; anterior part of iliac crest

30
Q

Tensor Fascia Latae Distal Attachment

A

Iliotibial tract, which attaches to anterolateral tibial tubercle

31
Q

Tensor Fascia Latae Nerve Innervation

A

Superior Gluteal Nerve (L5, S1)

32
Q

Piriformis Purposeful Activity

A

Yoga, standing on one leg, making sciatic nerve mad

33
Q

Piriformis Muscle Action

A

Laterally rotate extended hip joint and abduct hip joint when flexed; stabilize hip joint

34
Q

Piriformis Proximal Attachment

A

Anterior surface of sacrum; ST Ligament

35
Q

Piriformis Distal Attachment

A

Superior border of greater trochanter of femur

36
Q

Piriformis Nerve innervation

A

Branches of anterior rami of S1 and S2

GROSS (2 decks)

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