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MOINA OF SPINE AND TRUNK > MUSCLES OF THE POSTERIOR TRUNK > Flashcards

MUSCLES OF THE POSTERIOR TRUNK Flashcards

1
Q

Muscles in the Superficial Layer of the Back

A
  • Trapezius
  • Latissimus dorsi * Rhomboids
  • Levator scapula * Serratus anterior
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2
Q

Muscles in the Superficial Layer of the Back BILATERAL CONTRACTION:

A

EXTENSION

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3
Q

Muscles in the Superficial Layer of the Back UNILATERAL CONTRACTION:

A

LATERAL
FLEXION AND AXIAL ROTATION

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4
Q

Muscles in the Intermediate Layer of the Back

A
  • Serratus posterior superior * Serratus posterior inferior
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5
Q

EXTRINSIC MUSCLES OF THE BACK

A

Muscles in the Superficial and Intermediate Layers of the Back =

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6
Q

Contribute little to the movement or stability of the trunk

A
  • Serratus posterior superior * Serratus posterior inferior
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7
Q

Muscles in the Deep Layer of the Back

A

Erector spinae
* Transversospinal group * Short segmental group

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8
Q

INTRINSIC OR NATIVE MUSCLES OF THE BACK

A
  • Erector spinae
  • Transversospinal group * Short segmental group
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9
Q

ERECTOR SPINAE GROUP

A
  • Iliocostalis (cervicis, thoracis, lumborum)
  • Longissimus (thoracis, cervicis, capitis)
  • Spinalis (thoracis, cervicis, capitis)
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10
Q

ERECTOR SPINAE BILATERAL CONTRACTION:

A

Extension

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11
Q

ERECTOR SPINAE UNILATERAL CONTRACTION:

A

Iliocostalis: Ipsilateral Lateral Flexion Longissimus and Iliocostalis (Cranial or Cervical region): Ipsilateral Axial Rotation Iliocostalis (Lumborum): Slight Ipsilateral Axial Rotation

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12
Q

TRANSVERSOSPINAL MUSCLES

A
  • Semispinalis * Multifidi
  • Rotatores
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13
Q

TRANSVERSOSPINAL MUSCLES BILATERAL CONTRACTION:

A

Extension

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14
Q

TRANSVERSOSPINAL MUSCLES UNILATERAL CONTRACTION:

A

Lateral Flexion (limited leverage) Contralateral Axial Rotation (secondary)

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15
Q

SHORT SEGMENTAL GROUP

A
  • Interspinalis
  • Intertransversarius
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16
Q

SHORT SEGMENTAL GROUP UNILATERAL CONTRACTION:

A

Lateral Flexion (torque more for intervertebral stability)

MOINA OF SPINE AND TRUNK (3 decks)

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