Brainscape's Knowledge GenomeTM

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


See full index

Gross Anatomy > Muscles And Their Actions > Flashcards

Muscles And Their Actions Flashcards

1
Q

Actions of Quadratus Lumborum

A

Stabilization of 12th rib during inspiration
-Unilateral action-
Lateral flexion of trunk
Elevation of pelvis while thorax and vertebral column are fixed

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

Actions of Rectus Abdominis

A

Flexion of trunk

Compression and Support of AV

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

Actions of External Oblique

A 
Flexion of Trunk
Compression and Support of AV
-Unilateral actions-
Lateral Flexion of Trunk
Rotation of trunk to opposite side
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Actions of Internal Oblique

A 
Flexion of trunk
Compression and Support of AV
-Unilateral actions-
Lateral flexion of trunk
Rotation of trunk to same side
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Actions of Transversus Abdominis

A

Compression and Support of AV

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

Actions of Pyramidalis

A

Reinforce lower rectus sheath

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

Actions of Sartorius

A 
Flexion of femur 
Abduction of femur
Lateral rotation of femur
Flexion of knee
Medial rotation of tibia while knee is in flexion
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Actions of Iliopsoas

A

Flexion of trunk
Lateral flexion of trunk
Flexion of femur

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

Actions of Rectus Femoris

A

Flexion of femur

Extension of knee

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

Actions of Vastus Lateralis

A

Extension of knee

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

Actions of Vastus Medialis

A

Extension of the knee

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

Actions of Vastus Intermedius

A

Extension of knee

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

Actions of Pectineus

A

Flexion of femur
Adduction of femur
Medial rotation of femur

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

Actions of adductor longus

A

Flexion of femur

Adduction of femur

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

Actions of adductor brevis

A

Flexion of femur

Adduction of femur

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

Actions of Adductor Magnus

A 
Adduction of femur
Anterior head:
Flexion of femur
Medial rotation of femur
Posterior head:
Extension of femur
Lateral rotation of femur
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Actions of Gracilis

A

Adduction of femur
Flexion of femur
Medial rotation of tibia when knee is in flexion

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

Actions of Gluteus Maximus

A

Extension of femur

Lateral rotation of extended hip

19
Q

Actions of Gluteus Medius

A

Abduction of femur
Prevent contralateral hip drop while walking
Anterior fibers:
Medial rotation of femur

20
Q

Actions of Gluteus Minimus

A

Abduction

Medial rotation of femur

21
Q

Actions of Tensor Fasciae Latae

A 
Flexion of femur
Abduction of femur
Medial rotation of femur
Extension of knee
Stability of extended knee while standing and walking
22
Q

Actions of Piriformis

A

Lateral rotation of hip joint

Abduction when hip is flexed

23
Q

Actions of Quadratus Femoris

A

Lateral rotation of hip joint

Adduction of hip joint

24
Q

Actions of Obturator Internus

A

Lateral rotation of hip

Abduction when hip is flexed

25
Q

Actions of Obturator Externus

A

Lateral rotation of hip

Adduction of hip joint

26
Q

Actions of Gemellus Superior

A

Lateral rotation of hip

Abduction when hip is flexed

27
Q

Actions of Gemellus Inferior

A

Lateral rotation of hip

Abduction when hip is flexed

28
Q

Actions of Biceps Femoris

A

Flexion of knee
Lateral rotation of tibia when knee is in flexion
Long head:
Extension of femur

29
Q

Actions of Semimembranosus

A

Extension of femur
Flexion of knee
Medial rotation of tibia when knee is in flexion

30
Q

Actions of Semitendinosus

A

Extension of Femur
Flexion of knee
Medial rotation of tibia while knee is in flexion

31
Q

Actions of Tibialis Anterior

A

Dorsiflexion of ankle

Inversion of foot

32
Q

Actions of Extensor digitorum longus

A

Dorsiflexion of ankle

Extension of 4 lateral toes at MP joints

33
Q

Actions of Extensor Hallicus longus

A

Dorsiflexion of ankle

Extension of great toe at MP and IP joints

34
Q

Actions of Fibularis Tertius

A

Dorsiflexion of ankle

Eversion of foot

35
Q

Actions of Fibularis Longus

A

Plantarflexion of ankle

Eversion of foot

36
Q

Actions of Fibularis Brevis

A

Plantarflexion of ankle

Eversion of foot

37
Q

Actions of gastrocnemius

A

Flexion of knee

Plantarflexion of ankle

38
Q

Actions of Soleus

A

Plantarflexion of ankle

39
Q

Actions of Tibialis Posterior

A

Plantarflexion of ankle

Inversion of foot

40
Q

Actions of Flexor Digitorum Longus

A

Plantarflexion of ankle

Flexion of 4 lateral toes at MP and IP joints

41
Q

Actions of Flexor Hallicus Longus

A

Plantarflexion of ankle

Flexion of great toe at IP and MP joints

42
Q

Actions of Plantaris

A

Flexion of knee

Plantarflexion of ankle

43
Q

Actions of Popliteus

A

Lateral rotation of femur to initiate knee flexion OR Medial rotation of tibia

44
Q

Actions of Extensor Digitorum Brevis

A

Extension of 4 lateral toes at MP and IP joints

Gross Anatomy (20 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions