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Back Muscles Flashcards

1
Q

Which Muscles are the first layer (superficial) muscles?

A

Trapezius

Latissimus Dorsi

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2
Q

Name the Muscle?

The orgin

The insertion

A

Muscle-Trapezius

Orgin- occipital bone, Spinous process C7-T1

Inertion- Spine of scapula, acromial process, lateral 1/3 of clavicle

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3
Q

Name the action and innervation of this Muscle?

A

Action-Extension of the head, elevation, depression, and medial approximation of scapula

Innervation- accessory nerve (CN-XI)

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4
Q

Name the Muscle?

the orgin

the insertion

A

Latissimus Dorsi

Orgin-Spines of T7-12 and Thoracolumbar fascia

Insertion-Inertubecular groove of humerus and lesser tubecular crest

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5
Q

How does carbon move between organisms?

A

Feeding and decomposing.

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6
Q

Which part of the plant is the carbon dioxide absorbed through?

A

The leaves (stomata)

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7
Q

Which Muscles are derived from axial muscle (second layer)?

A

Rhomboid major

Rhomboid minor

Levator scapulae

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8
Q

Name the action and innervation of this muscle?

A

Action-Acts as antagonist to pectoralis major; extends humerus; rotates humerus medially; adducts and retracts humerus (as in swimming or doing pull-ups)

innervation - Thoracodorsal Nerve (CN VII - VIII)

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9
Q

Name the Muscle?

The orgin

The insertion

A

Rhomboid Major?

Orgin- Spinous process T2-T5

insertion - Medial edge of Scapula

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10
Q

What is the action and innervation of this muscle?

A

Action - Retracts Scapula, depresses glenoid

Innervation- Dorsal Scapular nerve (CV)

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11
Q

Name the Muscle

Orgin

insertion

A

Rhomboid Minor

Orgin - spinous process C7-T1

Insertion -Medial edge of scapula

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12
Q

What is the Action and innervation of this muscle?

A

Action - Retracts scapula, depresses glenoid

Innervation- Dorsal scapular nerve (CV)

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13
Q

Name the Mucsle?

Orgin?

Insertion?

A

Levator Scapulae

Orgin - Tranverse Process C1-C4

Medial edge of scapula

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14
Q

Name the Action and innervation of this muscle?

A

Action- retracts scapula, depresses glenoid

Innervation - ventral rami of C3 and C4) sometime twigs of C5

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15
Q

What are the Muscle s of the Modified axial muscle? (Third layer)

A

Splenius Capitus

Splenius Cervicus

Serratus Posterior Superior

Serratus Pasterior Inferior

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16
Q

Name the Muscle?

Orgin?

Insertion?

A

Splenius Capitis

Orgin- Nuchal Ligament, Spinous process CIII - CVII

Insertion - Lateral nuchal line of ossipital Bone, Mastoid process of temporal bone

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17
Q

Name the Action and Innervation of this Muscle?

A

Action- Bilateral extension of cervical spine and head, Unilaterally flex and rotates head to the same side

Innervation- Spinal nerve C1-C6

18
Q

Name the muscle?

Orgin?

Insertion?

A

Splenius Cervicus

Orgin- spinous process T1-T6

insertion - transverse process C1-C2

19
Q

Name the Action and innervation of this muscle?

A

Action-Bilatterally extends cervical spine and head, Unilatterally flexes and rotate head to same side

Innervation- Spinal nerve

20
Q

Name the muscle?

Orgin?

Inseertion?

A

Serratus Posterior Superior

Orgin- Nuchal ligament, spinous process C7-T3

insertion-2-4

21
Q

What are the actions and innervation of this muscle?

A

Action- Elevate ribs

innervation- Spinal Nerves T2-T5

22
Q

Unfortunate drug-drug interactions of TPV and BOC?

A

They interfere with ARVs for HIV, and calcineurin for transplant patients. (which, obviously, co-occur with HCV a lot)

23
Q

Name the Muscle?

Orgin?

Insertion?

A

Serratus Posterior Inferior

Orgin - spinous process T11- L2

insertaion- ribs 8-12

24
Q

What are the actions and innervation of this muscle?

A

Action- Depresses ribs

innervation - spinal nerves T9-T12

25
What are the muscles of the fourth superficial epaxial Mucles?
(Erector Spinae Muscles) Iliocostalis Longissimus Spinalis
26
Name the muscle? Orgin? Insertion?
Iliocostalis(cervicis) Orgin - Ribs 3-7 insertion - Transverse process of C4-C6
27
Name the action and innervation of this muscle?
Bilaterally extends spine Unilaterally bend spine laterally to same side innervation - spinal nerves (C8 -T1)
28
Name the Muscle? Orgin? Insertion?
Iliocostalis(Thoracis & Lumborum) Orgin - ribs 7-12 Insertion - transverse processes of lumbar verterbrae, ribs 6-12
29
Name the action and innervation of this mucsle?
Action- bilaterally extends spine and unilaterallybend spine to one side Innervation- spinal nerves C8-T1
30
Name the muscle? Orgin? insertion?
Longissimus capitus Orgin - transverse process of C4-T3 Insertion - mastoid process of temperol bone
31
What is the action and innervation of this muscle?
Bilaterally extends head and spine and unilaterally bend spine to one side Innervation- spinal nerves C1-T5
32
What is this muscle? Orgin? Insertion?
Longissimus Cervicis Orgin - transverse process of T1-T6 insertion- Tranverse process of C2-C5
33
What is the action and innervation of this mucsle?
Action- bilaterally extends head and spine and unilaterally bend spine to same side Innervation - spinal nerves (C1-T5)
34
What is this muscle? orgin? insertion?
Longissimus Thoracis orgin- Sacrum iliac crest, spinous process of lumbar, tranverse process of lower thoracic Insertion- ribs 2-12, costal process of of lumbar, transverse process of thoracic
35
What is the action and innervation of this muscle?
Bilaterally extends head and spine and unilaterally bend spine laterally to same side innervation - spinal nerves (C1-C5)
36
What is this Muscle? orgin? insertion?
Spinalis Cervicus orgin - spinous process of C5 - T2 insertion- spinous process of C2-C5
37
What is the action and innervation of this muscle?
action- Bilaterally extends spine and Unilaterally bend spine to same side innervation - segmental spinal nerves
38
What is this muscle? Orgin? Insertion?
Spinalis Thoracis orgin- spinous process of T10-L3 insertion-spinous process of T2-T8
39
What is the action and innervation of this muscle?
Action-Blaterally extend spine and unilaterally bend spine to same side innervation- segmental spinal nerves
40
What is the Fifth layer (deeepest epaxial muscle)?
Inerspinales (cervicis and lumborum) Intertransversarii (Cervicis Anteriores & posteriores) & (Lumborum Mediale & lateralis) levatores costarum (Brevis & Longi)
51
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ISAC (14 decks)

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