MYOLOGY: Axial Muscles: Vertebral Column: Posterior, Anterior & Lateral

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1
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Identify (A) and state the origin AND insertion?

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(A) Splenius Capitis

Origin: Spinous Processes of Cervical & Upper Thoracic

Insertion: Mastoid Process & Superior Nuchal Line

2
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Identify (B) and state the origin AND insertion?

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(B) Splenius Cervicis

Origin: Spinous Processes of Mid-Thoracic

Insertion: Transverse Processes of C1-C4

3
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State the bilateral AND unilateral action of (A) & (B) Splenius Muscles?

Bilateral: Extend Head & Neck

Unilateral: Ipsilateral Cervical Rotation & Ipsilateral Cervical Lateral Flexion

4
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Identify and state which group (A) belongs to?

State the Insertion of (A)?

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A) Iliocostalis Lumborum

B) The Erector Spinae Group

C) Transverse Processes & Angle of Ribs

5
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What are the actions of the group in (A) when acting unilaterally compared with bilaterally?

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(A) Ipsilateral Flexion of vertebral column – unilateral

(B) Extension of vertebral column – bilateral

6
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Identify and state which group (A) belongs to?

State the Insertion of (A)?

(A) Longissimus

(B) The Erector Spinae Group

(C) Transverse Processes

7
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Identify and state which group (A) belongs to?

State the Origin AND Insertion of (A)?

(A) Spinalis

(B) The Erector Spinae Group

(C) ORIGIN & INSERTION: Spinous Processes: Thoracic

8
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Identify and state which group (A) belongs to?

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(A) Rotatores

(B) Transversospinales Group

9
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Identify and state which group (B) belongs to?

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(A) Multifidus

(B) Transversospinales Group

10
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Identify and state which group (B) belongs to?

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(A) Semispinalis

(B) Transversospinales Group

11
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State the Origin AND Insertion of the transversospinales group muscles (rotatores, multifidus, semispinalis)?

(A) ORIGIN: Transverse Processes

(B) INSERTION: Spinous Processes

(C) ACTION: extend vertebral column

12
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State the ACTION AND INNERVATION of then transversospinales group muscles (rotatores, multifidus, semispinalis)?

(A) extend vertebral column

(B) Dorsal Rami Nerve

13
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State the innervation of axial muscles of the majority of the posterior vertebral column? What group is not innervated by this group AND state what they ARE innervated by?

(A) Dorsal Rami Spinal Nerves

(B) Suboccipital Group

(C) Suboccipital Nerve

14
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Identify and state the bilateral AND unilateral actions?

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(A) The Suboccipital Group

(B) Extend head & upper cervical spine

(C) Ipsilateral: upper cervical spine rotation & cervical lateral flexion

15
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Identify (C) and state the Origin AND Insertion?

State the action?

(A) Longus Capitis (Anterior Spine)

(B) ORIGIN: transverse processes: cervical INSERTION: Basilar part of occipital bone

(C) Flex head on neck

16
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Identify (D) and state the Origin AND Insertion?

State the action?

(A) Longus Cervicis (Anterior Spine)

(B) ORIGIN & INSERTION: Anterior Cervical Vertebrae

(C) Flex Cervical Spine

17
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Identify two anterior LONGUS muscles that perform the actions of flexing the head on the neck & flexing the cervical spine?

State the innervation?

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(A) The muscles are labelled (C) Longus Capitis AND (D) Longus Cervicis

(B) Ventral Rami Spinal Nerves

18
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Identify these 3 muscles and state the ORIGIN & INSERTION of each?

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(A) Anterior, Middle & Posterior SCALENE

(B) ALL - ORIGIN: transverse processes: cervical

INSERTIONS: Anterior: anterior 1st RIB, Middle: Lateral 1st Rib, Posterior: posterior 2cd Rib

19
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State the bilateral AND unilateral actions of the Scalene Muscles?

State the innervation?

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Bilateral: Cervical flexion; stabilise the cervical spine; accessory muscles for inspiration

Unilateral: Ipsilateral cervical lateral flexion

Innervation: Ventral Rami Spinal Nerve