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PTRS 845 Midterm > Trunk and Pelvis Muscle Review > Flashcards

Trunk and Pelvis Muscle Review Flashcards

1
Q

Muscle: Main function is back extension

A

Erector Spinae

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2
Q

Muscle: Provides power when lifting and compresses the spine

A

Erector Spinae

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3
Q

Muscle: Deep fibers prevent anterior translation during flexion

A

Erector Spinae

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4
Q

Muscle: Can cause an anterior tilt of the pelvis due to its connection to the thoracolumbar fascia

A

Erector Spinae

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5
Q

Muscle: Main function is proprioception and feedback

A

Interspinalis

Intertransversaris

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6
Q

Muscle: Deep segmental muscles

A

Interspinalis

Intertransversaris

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7
Q

Muscle: Small and close to the axis of motion making them unable to produce power

A

Interspinalis

Intertransversaris

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8
Q

Muscle: “Fine tune” segmental motion

A

Interspinalis

Intertransversaris

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9
Q

Muscle: Primary function is side flexion

A

Quadratus Lumborum

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10
Q

Muscle: Function to stabilize sustained posture and heavy lifitng and is important in lumbopelvic motion

A

Quadratus Lumborum

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11
Q

Muscle: Provides a stable base for the diaphragm

A

Quadratus Lumborum

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12
Q

Muscle: Controls flexion and anterior shear forces

A

Multifidus

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13
Q

Muscle: Important for segmental stability by preventing anterior shearing

A

Multifidus

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14
Q

Muscle: Christmas tree shaped and largest (in diameter) in the lumbosacral area

A

Multifidus

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15
Q

Muscle: Primary hip/trunk flexor

A

Iliopsoas

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16
Q

Muscle: Deepest abdominal muscle that acts like a corset

A

Transverse Abdominis

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17
Q

Muscle: Important for stability and acts in a anticipatory manner (stabilizing prior to limb and trunk movement)

A

Transverse Abdominis

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18
Q

Muscle: Prevents anterior shearing due to its attachment to the thoracolumbar fascia

A

Transverse Abdominis

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19
Q

Muscle: Movement of proximal attachment results in trunk rotation

A

Internal and External Obliques

20
Q

Muscle: Movement of bilateral distal attachment results in pelvic tilt

A

Internal and External Obliques

21
Q

Muscle: Movement of unilateral distal attachment results in rotaiton

A

Internal and External Obliques

22
Q

Muscle: Movement of bilateral distal attachment results in ANTERIOR pelvic tilt

A

Internal Obliques

23
Q

Muscle: Movement of bilateral distal attachment results in POSTERIOR pelvic tilt

A

External Obliques

24
Q

Describe which oblique is typically dominant and it’s implications

A

Interal Oblique

Why many people have a sligth anterior tilt to their pelvic posture

25
Q

Muscle: Main function is the provide stability of the lumbopelvic region and to prevent anterior shearing

A

Thoracolumbar Facsia

26
Q

Describe how the thoracolumbar fascia prevents anterior shearing

A

The TA attaches to the T/L fascia

The T/L fascia has layers of fibers in opposing directions

The load form TA is translation to the T/L fascia which due to its layers brings the spinous processes closer together preventing anterior shearing

27
Q

Muscle: Passively attached form spinous processes from T12 down

A

Thoracolumbar Fascia

28
Q

Type of Muscle: provides mobility

A

Global Muscle

29
Q

Type of Muscle: Provides stability

A

Local Muscle

30
Q

Type of Muscle: Response to pain with overactivation

A

Global Muscle

31
Q

Type of Muscle: Responses to pain with inhibition

A

Local Muscle

32
Q

Type of Muscle:

Rectus Abdominis

Internal/External Oblique

Erector Spinae

Lateral Quadratus Lumborum

Thoracic Iliocostalis

A

Global Muscle

33
Q

Type of Muscle:

Produce power

Transmit load

Provide overall trunk stability

A

Global Muscles

34
Q

Type of Muscle:

Multifidus

Diaphragm

Pelvic Floor

Transverse Abdominis

Medial quadratus lumborum

Lumbar Iliocostalis

Longissimus

A

Local Muscles

35
Q

Type of Muscle: Provde segmental stability

A

Local Muscles

36
Q

Describe how TA can be either a global or local muscles

A

If defined by its

attachment = local

function = global

37
Q

Muscle: Important when returning from trunk flexion

A

Gluteus maximus

38
Q

Muscle: Important for pelvic stabilization during weight bearing

A

Gluteus Medius

39
Q

Muscle: Funtions in hip extension, ER, ABD, and trunk motion

A

Gluteus Maximus

40
Q

Muscle: Functions in hip ABD, IR, ER, and trunk stabilization

A

Gluteus Medius

41
Q

5 Trunk Stabilizers

A
  1. Abdominals
  2. Obliques
  3. Paraspinals
  4. TA
  5. Multifidus
42
Q

2 Pelvic Stabilizers

A
  1. Gluteus Maximus
  2. Gluteus Medius
43
Q

Describe where trunk muscles are anchored

A

To the pelvis

44
Q

Describe excessive spine motion as compensation for hip extension weakness

A

The trunk compensates with excessive lordosis

45
Q

Describe excessive spine motion as compensation for hip abductor weakness

A

The trunk compensates with a side lean

46
Q

Describe excessive spine motion as compensation for trunk muscles weakness

A

The compensation is rotaiton at the pelvis

47
Q

Describe the TherEx Tx paradigm for trunk and pelvic muscles

A
  1. Flexibility - to prevent compensations
  2. Activation - to stabilize prior to strenghtening
  3. Strengthening
  4. Movement re-education

PTRS 845 Midterm (13 decks)

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