Actions of Leg and Trunk Flashcards
(42 cards)
1
Q
action of iliacus
A
- thigh flexion
- trunk flexion
2
Q
action of tensor fasciae latae
A
- flexion, abduction and medial (internal) rotation of thigh
3
Q
action of sartorius
A
- flexion, abduction and external rotation of thigh
- leg flexion
4
Q
action of rectus femoris
A
- leg extension
- thigh flexion
5
Q
action of vastus lateralis
A
- leg extension
6
Q
action of vastus medialis
A
- leg extension
7
Q
action of vastus intermedius
A
leg extension
8
Q
action of pectineus
A
- adduction, flexion and medial (internal) rotation of thigh
9
Q
action of gracilis
A
- adduction, flexion and medial (internal) rotation of thigh
10
Q
action of adductor longus
A
- adduction, flexion and medial (internal) rotation of thigh
11
Q
action of adductor brevis
A
- adduction and medial (internal) rotation of thigh
12
Q
action of adductor magnus
A
anterior = adducts, flexes and medially (internally) rotates thigh
posterior = thigh extension
13
Q
action of bicep femoris
A
- thigh extension
- leg flexion
- lateral (external) rotation of leg
14
Q
action of semitendinosus
A
- thigh extension
- leg flexion
- medial (interal) rotation of leg
15
Q
action of semimembranosus
A
- thigh extension
- leg flexion
- medial (interal) rotation of leg
16
Q
action of piriformis
A
- laterally (externally) rotates thigh
- abducts the femur during hip flexion
17
Q
action of gluteus maximus
A
- extensor of thigh
18
Q
action of gluteus medius
A
- abduction and medial (internally) rotates thigh
19
Q
action of gluteus minimus
A
- abduction and medial (internally) rotates thigh
20
Q
action of tibialis anterior
A
- dorsiflexion
- inverts foot
21
Q
action of gastrocnemius
A
- plantar flexion of foot
22
Q
action of soleus
A
- plantar flexion of foot
23
Q
action of obturator externus
A
- rotates extended thigh laterally`
24
Q
action of obturator internus
A
- laterally (externally) rotates thigh
- abducts the femur during hip flexion
25
action of superior and inferior gemellus
- laterally (externally) rotates thigh
- abducts the femur during hip flexion
26
action of quadratus femoris
rotates thigh laterally and stabilizes hip joint
27
action of external oblique
- flexion of vertebral column
- lateral flexion of trunk
28
action of transversus abdominis
compresses abdominal contents
29
action of rectus abdominis
- flex and rotate lumbar spine
- depress ribs
30
action of external intercostals
- pull ribs toward one another to elevate rib cage
31
action on internal intercostals
- draw ribs together and depress rib cage
32
action of diaphragm
- prime mover of inspiration
- flattens on contraction
33
action of scalenes
- elevate first two ribs
- flex and rotarte neck
34
action of iliocostalis
- extension and lateral flexion of vertebral column
35
action of longissimus
thoracic + cervical = extension and lateral flexion of vertebral column
capitis= extend and rotate the head to same side
36
action of spinalis
- extension of verterbal column
37
action of semispinalis
- extension and rotation of vertebral column and head
38
action of quadratus lumborum
- lateral flexion of vertebral column
39
action of external urethral sphinter
constricts urethra and allows voluntary urination
40
action of ischiocavernosus
maintains erection of penis + clitoris
41
action of bulbospongiosus
- assists in erection of penis + clitoris
- empties male urethra
42
action of superficial transverse perineal muscle
strengthens and stabilizes the perineal body
