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HN204 Midterm 1 > Actions of Leg and Trunk > Flashcards

Actions of Leg and Trunk Flashcards

1
Q

action of iliacus

A
  • thigh flexion
  • trunk flexion
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2
Q

action of tensor fasciae latae

A
  • flexion, abduction and medial (internal) rotation of thigh
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3
Q

action of sartorius

A
  • flexion, abduction and external rotation of thigh
  • leg flexion
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4
Q

action of rectus femoris

A
  • leg extension
  • thigh flexion
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5
Q

action of vastus lateralis

A
  • leg extension
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6
Q

action of vastus medialis

A
  • leg extension
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7
Q

action of vastus intermedius

A

leg extension

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8
Q

action of pectineus

A
  • adduction, flexion and medial (internal) rotation of thigh
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9
Q

action of gracilis

A
  • adduction, flexion and medial (internal) rotation of thigh
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10
Q

action of adductor longus

A
  • adduction, flexion and medial (internal) rotation of thigh
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11
Q

action of adductor brevis

A
  • adduction and medial (internal) rotation of thigh
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12
Q

action of adductor magnus

A

anterior = adducts, flexes and medially (internally) rotates thigh
posterior = thigh extension

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13
Q

action of bicep femoris

A
  • thigh extension
  • leg flexion
  • lateral (external) rotation of leg
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14
Q

action of semitendinosus

A
  • thigh extension
  • leg flexion
  • medial (interal) rotation of leg
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15
Q

action of semimembranosus

A
  • thigh extension
  • leg flexion
  • medial (interal) rotation of leg
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16
Q

action of piriformis

A
  • laterally (externally) rotates thigh
  • abducts the femur during hip flexion
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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
Q

action of superior and inferior gemellus

A
  • laterally (externally) rotates thigh
  • abducts the femur during hip flexion
26
Q

action of quadratus femoris

A

rotates thigh laterally and stabilizes hip joint

27
Q

action of external oblique

A
  • flexion of vertebral column
  • lateral flexion of trunk
28
Q

action of transversus abdominis

A

compresses abdominal contents

29
Q

action of rectus abdominis

A
  • flex and rotate lumbar spine
  • depress ribs
30
Q

action of external intercostals

A
  • pull ribs toward one another to elevate rib cage
31
Q

action on internal intercostals

A
  • draw ribs together and depress rib cage
32
Q

action of diaphragm

A
  • prime mover of inspiration
  • flattens on contraction
33
Q

action of scalenes

A
  • elevate first two ribs
  • flex and rotarte neck
34
Q

action of iliocostalis

A
  • extension and lateral flexion of vertebral column
35
Q

action of longissimus

A

thoracic + cervical = extension and lateral flexion of vertebral column
capitis= extend and rotate the head to same side

36
Q

action of spinalis

A
  • extension of verterbal column
37
Q

action of semispinalis

A
  • extension and rotation of vertebral column and head
38
Q

action of quadratus lumborum

A
  • lateral flexion of vertebral column
39
Q

action of external urethral sphinter

A

constricts urethra and allows voluntary urination

40
Q

action of ischiocavernosus

A

maintains erection of penis + clitoris

41
Q

action of bulbospongiosus

A
  • assists in erection of penis + clitoris
  • empties male urethra
42
Q

action of superficial transverse perineal muscle

A

strengthens and stabilizes the perineal body

HN204 Midterm 1 (17 decks)

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