Brainscape's Knowledge GenomeTM

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


See full index

Anatomy Course : ) > Week 4 Lecture 2 > Flashcards

Week 4 Lecture 2 Flashcards

1
Q

During a 400m running race, Devon strained a muscle in the back of his thigh. What are the 2 main functions
of the muscles in this group?

A

thigh extension, hip extension, knee flexion

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

During a 400m running race, Devon strained a muscle in the back of his thigh.If these muscles are unable to function properly, what muscle in the gluteal region could also perform one of
these functions?

A

gluteus maximus

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

b

A

lesser siactic foramen

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

a

A

greater sciatic foramen

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

c

A

Sacrospinous ligament

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

d

A

Sacrotuberous ligament

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

e

A

Obturator membrane

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

a

A

greater trochanter

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

f

A

Obturator canal

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

b

A

lesser trochanter

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

c

A

gluteal tuberosity

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

d

A

Linea aspera

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

e

A

Medial and Lateral supracondylar lines

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

a

A

L4 level of iliac crests

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

b

A

Intergluteal cleft

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

c

A

Ischial tuberosity

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

d

A

gluteal fold

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

e

A

greater trochanter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Gluteal Muscle: Tensor Fasia Latae Function

A

Flexes hip
* Tenses IT band

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Gluteal Muscles: Tensor Fasia latae Innervation

A

Superior Gluteal Nerve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Gluteus Maximus Action

A

The major ‘extensor’ of
the thigh also laterally rotates
and assists with abducts thigh.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
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
22
Q

a

A

Gluteus medius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

b

A

Gluteus minimus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

c

A

Piriformis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

d

A

Gemellus superior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

e

A

Obturator Internus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

f

A

Gemellus Inferior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

g

A

Quadratus femoris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Glueteus Medius Action

A

Abducts and medially rotates thigh also steadies the pelvis during walking.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Gluteus Medius Innervation

A

Superior gluteal nerve (L4,L5, S1)

31
Q

Gluteus Minimus Action

A

: Abducts and medially rotates thigh also
steadies the pelvis during walking (same as
Medius)

32
Q

Gluteus Minimus Innervation

A

: Superior gluteal nerve (L4,L5, S1)

33
Q

Obdurator externus Action

A

Lateral rotation and adduction

34
Q

Obturator Externus Innervation

A

Obturator nerve (medial
compartment nerve)

35
Q

Piriformis Syndrome

A

Inflammation of piriformis leads to
compression of neighbouring structures
* Symptoms can include pain, numbness,
tingling or down the lower limb, or in
gluteal region
* Common in activities that require
excessive use of gluteal muscles
(running, ice skating)

36
Q

Gluteal Compartments Muscle List (8)

A

Tensor fasciae latae
Gluteus maximus
Gluteus medius
Gluteus minimus
Piriformis
Gemelli
Obturator internus
Quadratus femoris

37
Q

Hamstring Muscles List

A

Biceps femoris
Semitendinosus
Semimembranosus

38
Q

Hamstring Muscles characteristics

A

1) all originate from ischial
tuberosity
2) all cross the knee joint
and hip
3) all act to extend the thigh
and flex the knee
4) all innervated by branch
of sciatic nerve

39
Q

a

A

Biceps femoris long head

40
Q

b

A

Biceps Femoris short head

41
Q

c

A

Semitendinosus

42
Q

d

A

Semimembranosus

43
Q

Biceps Femoris Action

A

extends thigh (long head only)
and flexes the knee (both heads), also
laterally rotates the leg

44
Q

Biceps Femoris Innervation

A

sciatic nerve divisions:
tibial nerve to long head, common
fibular nerve to short head

45
Q

Semimembranosus Action

A

Extends thigh and flexes the knee and
medially rotates the leg

46
Q

Semimembranosus Innervation

A

Sciatic nerve (tibial divison)

47
Q

Semitendinosus Action

A

: Extends thigh at the hip and flexes the
knee and medially rotates the leg

48
Q

Semitendinosus Innervation

A

Sciatic nerve (tibial division)

49
Q

Pez Anerinus

A

3 different muscles
3 different compartments
3 different innervations
Sartorious
Semitendinosus
Gracilis

50
Q

a (Muscle, Innervation, Action)

A

Sartorius
Flexes thigh at hip joint
* abducts and laterally rotates the thigh - weakly
* flexes leg at knee - weakly
Innervation: Femoral nerve

51
Q

b

A

femur

52
Q

c (Muscle, Innervation, Action)

A

rectus femoris
Action:
* Extends knee and
* Flexes thigh at hip
Innervation: Femoral nerve

53
Q

d (Muscle, Innervation, Action)

A

Vastus intermedius
Action: Extends knee
Innervation: Femoral nerve

54
Q

e (Muscle, Innervation, Action)

A

vastus lateralis
Action: Extends knee
Innervation: Femoral nerve

55
Q

f (Muscle, Innervation, Action)

A

Biceps femoris
Action: extends thigh (long head only)
and flexes the knee (both heads), also
laterally rotates the leg
Innvervation: sciatic nerve divisions:
tibial nerve to long head, common
fibular nerve to short head

56
Q

g (Muscle, Innervation, Action)

A

adductor magnus
Action: Anterior fibers adduct and medially rotate and
flex thigh; posterior fibers is synergistic with the
hamstrings during thigh extension
Innervation: Obturator nerve and sciatic nerve (tibial n)

57
Q

h (Muscle, Innervation, Action)

A

Semitentenosus
Action: Extends thigh at the hip and flexes the
knee and medially rotates the leg
Innvervation: Sciatic nerve (tibial division)

58
Q

i (Muscle, Innervation, Action)

A

Semimembranosus
Action: Extends thigh and flexes the knee and
medially rotates the leg
Innervation: Sciatic nerve (tibial divison)

59
Q

j

A

Gracilis

60
Q

k (Muscle, Innervation, Action)

A

Adductor longus
Action: Adducts and Flexes the thigh
Innervation: Obturator nerve (L2,3,4)

61
Q

Action and muscles

A

abduction|abduction, gluteus medius|gluteus minimus|medius|minimus*|tensor**

62
Q

a (Muscle, Innervation, Action)

A

rectus femoris
Action:
* Extends knee and
* Flexes thigh at hip
Innervation: Femoral nerve

63
Q

c (Muscle, Innervation, Action)

A

vastus lateralis
Action: Extends knee
Innervation: Femoral nerve

63
Q

b (Muscle, Innervation, Action)

A

vastus intermedius
Action: Extends knee
Innervation: Femoral nerve

63
Q

d (Muscle, Innervation, Action)

A

biceps femoris (short head)
Action: extends thigh (long head only)
and flexes the knee (both heads), also
laterally rotates the leg
Innvervation: sciatic nerve divisions:
tibial nerve to long head, common
fibular nerve to short head

64
Q

d (Muscle, Innervation, Action)

A

Biceps femoris (short head)
Action: extends thigh (long head only)
and flexes the knee (both heads), also
laterally rotates the leg
Innvervation: sciatic nerve divisions:
tibial nerve to long head, common
fibular nerve to short head

65
Q

e (Muscle, Innervation, Action)

A

biceps femoris (long head)
Action: extends thigh (long head only)
and flexes the knee (both heads), also
laterally rotates the leg
Innvervation: sciatic nerve divisions:
tibial nerve to long head, common
fibular nerve to short head

66
Q

f

A

sciatic nerve

67
Q

g (Muscle, Innervation, Action)

A

semitendinosus
Action: Extends thigh at the hip and flexes the
knee and medially rotates the leg
Innvervation: Sciatic nerve (tibial division)

68
Q

h (Muscle, Innervation, Action)

A

semimembranosus
Action: Extends thigh and flexes the knee and
medially rotates the leg
Innervation: Sciatic nerve (tibial divison)

69
Q

i (Muscle, Innervation, Action)

A

Adductor magnus
Action: Anterior fibers adduct and medially rotate and
flex thigh; posterior fibers is synergistic with the
hamstrings during thigh extension
Innervation: Obturator nerve and sciatic nerve (tibial n)

70
Q

j

A

Gracillis

71
Q

k (Muscle, Innervation, Action)

A

Adductor Longus
Action: Adducts and Flexes the thigh
Innervation: Obturator nerve (L2,3,4)

72
Q

l (Muscle, Innervation, Action)

A

Sartorius
Actions:
* Flexes thigh at hip joint
* abducts and laterally rotates the thigh - weakly
* flexes leg at knee - weakly
Innervation: Femoral nerve

73
Q

m (Muscle, Innervation, Action)

A

Vastus medialis
Action: Extends knee and helps stabilize patella
Innervation: Femoral nerve

74
Q

n

A

femur

Anatomy Course : ) (10 decks)

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