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Structural Kinesiology > Spine and Posture > Flashcards

Spine and Posture Flashcards

1
Q

Joints of the spine

A

Intervertebral - between vertebrae
Atlanto-occipital - between atlas (C1) and the skull
Atlanto-axial - between atlas and the axis (C2)
Sacroiliac joint(s)

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2
Q

Number of vertebrae in the cervical spine

A

C1-C7

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3
Q

Number of vertebrae in thoracic section of spine

A

T1-T12

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4
Q

Number of vertebrae in lumbar section of the spine

A

L1-L5

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5
Q

Why do vertebrae size increase down the spine?

A

Bigger to allow weight-bearing and shock absorption to dissipate energy to reduce risk of injury

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6
Q

Lumbar flexion

A

Anterior curvature

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7
Q

Lumbar extension

A

Posterior curvature

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8
Q

Lumbar lateral flexion to the left or right

A

Side to side

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9
Q

Lumbar rotation to the left or right

A

Twist side to side

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10
Q

Posterior muscles

A

Erector spinae:
- Spinalis
- Longissimus
- Iliocostalis
Quadratus Lumborum

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11
Q

Quadratus Lumborum origin

A

Posterior iliac crest

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12
Q

Quadratus lumborum insertion

A

12th rib and transverse process of L1-L4

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13
Q

Anterior muscles of the spine

A

Rectus abdominus (10 compartments)
External obliques
Internal obliques

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14
Q

Rectus abdominus origin

A

Crest of pubis

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15
Q

Rectus abdominus insertion

A

5th, 6th, 7th ribs and xiphoid process

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16
Q

External obliques origin

A

Lower 8 ribs (laterally), dovetails with serratus anterior

17
Q

External obliques insertion

A

Anterior Iliac crest, pubis, inguinal ligament

18
Q

Internal obliques origin

A

Upper inguinal ligament, anterior ilium

19
Q

Internal obliques insertion

A

Cartilage of ribs 8, 9, 10 and linea alba

20
Q

Muscles responsible for lateral flexion

A

Erector spinae
Quadratus lumborum
External obliques
Internal obliques
Rectus abdominus
All ipsilateral (same side)

21
Q

Muscles responsible for lumbar rotation

A

External and internal obliques (Contralateral - opposite side)
Rectus abdominus and erector spinae - each side (Ipsilateral)

Structural Kinesiology (8 decks)

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