Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Human Gross Anatomy > Hip Muscles > Flashcards

Hip Muscles Flashcards

0
Q

Gluteus Maximus Insertion

A

Most fibers = iliotibial tract, which inserts into lateral condyle of tibia
Some fibers = gluteal tuberosity of femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Gluteus Maximus Origin

A
  1. ilium posterior to posterior gluteal line
  2. dorsal surface of sacrum and coccyx
  3. sacrotuberous ligament
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Gluteus Maximus Innervation

A

Inferior Gluteal Nerve (L5, S1, S2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Gluteus Maximus Action

A
  • Extends thigh and assists in its lateral rotation

- Steadies thigh and assists in rising from sitting position

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Gluteus Medius Origin

A

External surface of ilium between anterior and posterior gluteal lines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Gluteus Medius Insertion

A

Lateral surface of greater trochanter of femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Gluteus Medius Innervation

A

Superior Gluteal Nerve (L4, L5, S1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Gluteus Medius Action

A
  • Abduct and medially rotate thigh

- Keep pelvis level when opposite leg is raised

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Gluteus Minimus Origin

A

External surface of ilium between anterior and inferior gluteal lines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Gluteus Minimus Insertion

A

Anterior surface of greater trochanter of femur

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Gluteus Minimus Innvervation

A

Superior Gluteal Nerve (L4, L5, S1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Gluteus Minimus Action

A
  • Abduct and medially rotate thigh

- Keep pelvis level when opposite leg is raised

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Tensor fascia lata Origin

A
  1. ASIS

2. Anterior part of iliac spine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Tensor fascia lata Insertion

A

Iliotibial tract, which attaches to lateral condyle of tibia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Tensor fascia lata Innervation

A

Superior Gluteal Nerve (L4, L5, S1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Tensor fascia lata Action

A

flexes thigh

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Piriformis Origin

A
  1. Anterior surface of 2nd-4th sacral segments
  2. Superior margin of greater sciatic notch
  3. Sacrotuberous ligament
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Piriformis Insertion

A

Superior border of greater trochanter of femur

18
Q

Piriformis Innervation

A

Branches of anterior rami of S1, S2

19
Q

Piriformis Action

A
  • laterally rotate extended thigh
  • abduct flexed thigh
  • steady femoral head in acetabulum (stabilizes hip joint)
20
Q

Obturator Internus Origin

A
  1. Pelvic surface of ilium and ishium

2. obturator membrane

21
Q

Obturator Internus Insertion

A

Medial surface of greater trochanter

22
Q

Obturator Internus Innervation

A

Nerve to obturator internus (L5, S1)

23
Q

Obturator Internus Action

A
  • laterally rotate extended thigh
  • adbuct flexed thigh
  • steady femoral head in acetabulum
24
Q

Gemelli, superior and inferior Origin

A

Superior: ischial spine
Inferior: ischial tuberosity

25
Q

Gemelli Insertion

A

Medial surface of greater trochanter

26
Q

Gemelli Innervation

A

Superior: Nerve to Obturator Internus (L5, S1)
Inferior: Nerve to Quadratus Femoris (L5,S1)

27
Q

Gemelli Action

A
  • laterally rotate extended thigh
  • abduct flexed thigh
  • steady femoral head in acetabulum
28
Q

Quadratus Femoris Origin

A

lateral border of ischial tuberosity

29
Q

Quadratus Femoris Insertion

A

Quadrate tubercle on intertrochanteric crest of femur and area inferior to it

30
Q

Quadratus Femoris Innervation

A

Nerve to Quadratus Femoris (L5, S1)

31
Q

Quadratus Femoris Action

A
  • laterally rotates thigh

- steadies femoral head in acetabulum

32
Q

Semitendinosus Origin

A

ischial tuberosity

33
Q

Semitendinosus Insertion

A

Medial surface of superior part of tibia

34
Q

Semitendinosus Innervation

A

Tibial division of Sciatic Nerve (L5, S1, S2)

35
Q

Semitendinosus Action

A
  • Extend thigh
  • Flex leg and rotate it medially when knee is flexed
  • When thigh and leg flexed, can extend trunk
36
Q

Semimembranosus Origin

A

ischial tuberosity

37
Q

Semimembranosus Insertion

A
  • Posterior part of medial condyle of tibia

- Reflected attachment forms oblique popliteal ligament (to lateral femoral condyle)

38
Q

Semimembranosus Innervation

A

Tibial division of Sciatic Nerve (L5, S1, S2)

39
Q

Semimembranosus Action

A
  • extend thigh
  • flex leg and rotate it medially when knee is flexed
  • when thigh and leg flexed, can extend trunk
40
Q

Biceps Femoris Origin

A

long head: ischial tuberosity

short head: linea aspera and lateral supracondylar line of femur

41
Q

Biceps Femoris Insertion

A
  • lateral side of head of fibula

- tendon is split at this site by fibular collateral ligament of knee

42
Q

Biceps Femoris Innervation

A

long head: tibial division of Sciatic Nerve (L5, S1, S2)

short head: common fibular division of Sciatic Nerve (L5, S1, S2)

43
Q

Biceps Femoris Action

A
  • flexes leg and rotates it laterally when knee is flexed

- extends thigh (e.g. when starting to walk)

Human Gross Anatomy (10 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions