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MOVEMENT SCIENCE > Muscles > Flashcards

Muscles Flashcards

1
Q

What does trapezius do to the neck both bilaterally and unilaterally?

A

B neck extension
Uni: ipsi SB, Contra ROT

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2
Q

What does levator do to scapula?

A

elevate and downward rotate scapula

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3
Q

what does levator do to neck?

A

ipsi SB and ROT

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4
Q

what does levator resists?

A

lordotic position of the cervical spine

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5
Q

What does splenius capitus and cervices do?

A

-large cross section and moment arm
B: Extension
Uni: ipsi rot

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6
Q

What does semispinalis capitis and cervicis do?

A

extension and contra rotation of head, neck, thoracic spine

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7
Q

what does semispinalis maintain?

A

lordosis

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8
Q

What nerve pierce semispinalis capitis?

A

greater occipital nerve

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9
Q

what does longissimus capitis and cervicis do?

A

B: frontal plane stabilizers
Uni:Ipsi SB
poor extensors due to short moment arm

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10
Q

What does subocciptal muscles do? B/UNI

A

B: occipital ext
Uni: ipsi rot and SB of occiput on atlas

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11
Q

what are the lateral muscles?

A

-scalenes (3)
-SCM

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12
Q

what does scalenes do?

A

ant: B:flex, UNI: ipsi SB and ROT
middle: stablize in frontal plane; uni: SB
posterior: UNI: SB

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13
Q

what does SCM do?

A

B: flex
UNI: ipsi SB, Contra rot

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14
Q

what are the anterior muscles?

A

Longus capitis and longus coli and rectus capitis anterior and lateral

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15
Q

what does the longus capitis and coli do?

A

-can flex but better at providing compression/proprioceptive input
-synergestically work to stabilize head with traps to allow distal contraction of traps on scapula

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16
Q

what does the rectus capitis anterior and lateral do?

A

B:flex
greater at proprioceptive function

17
Q

What does the superficial and deep erector spinae do?

A

s: B:ext
uni: SB/rot

deep: create posterior compressive and shear forces, counteracting anterior shear forces

18
Q

multifidus? Tspine vs Lspine

A

T: contra rot and local segmental control
L: extension, synergerstic stabilizer with abs and local seg control

19
Q

Rotatories and inertransversarii

A

ipsi: SB
contra: Rot
primarily proprioception role

20
Q

quadratus lumborum

A

B: frontal plane stabilization
uni: ipsi SB

21
Q

rectus abdominius

A

B: flex trunk
uni: ipsi SB

22
Q

abdominal wall

A

muscle corset with thoracolumbar fascia; increases spinal stiffness

23
Q

transverse abdominus

A

core stabilization

24
Q

internal obliques

A

ipsi SB ipsi rot

25
Q

external oblique

A

ipsi SB contra rot

26
Q

psoas major

A

hip flexion with spinal stabilizaiton

27
Q

what can tightness in psoas major lead to?

A

anterior pelvic tilt which in turn increase compression and anterior shear

MOVEMENT SCIENCE (14 decks)

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