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ISAC > Back Muscles > Flashcards

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
Q

What are the muscles of the fourth superficial epaxial Mucles?

A

(Erector Spinae Muscles)

Iliocostalis

Longissimus

Spinalis

26
Q

Name the muscle?

Orgin?

Insertion?

A

Iliocostalis(cervicis)

Orgin - Ribs 3-7

insertion - Transverse process of C4-C6

27
Q

Name the action and innervation of this muscle?

A

Bilaterally extends spine

Unilaterally bend spine laterally to same side

innervation - spinal nerves (C8 -T1)

28
Q

Name the Muscle?

Orgin?

Insertion?

A

Iliocostalis(Thoracis & Lumborum)

Orgin - ribs 7-12

Insertion - transverse processes of lumbar verterbrae, ribs 6-12

29
Q

Name the action and innervation of this mucsle?

A

Action- bilaterally extends spine and

unilaterallybend spine to one side

Innervation- spinal nerves C8-T1

30
Q

Name the muscle?

Orgin?

insertion?

A

Longissimus capitus

Orgin - transverse process of C4-T3

Insertion - mastoid process of temperol bone

31
Q

What is the action and innervation of this muscle?

A

Bilaterally extends head and spine and unilaterally bend spine to one side

Innervation- spinal nerves C1-T5

32
Q

What is this muscle?

Orgin?

Insertion?

A

Longissimus Cervicis

Orgin - transverse process of T1-T6

insertion- Tranverse process of C2-C5

33
Q

What is the action and innervation of this mucsle?

A

Action- bilaterally extends head and spine and unilaterally bend spine to same side

Innervation - spinal nerves (C1-T5)

34
Q

What is this muscle?

orgin?

insertion?

A

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
Q

What is the action and innervation of this muscle?

A

Bilaterally extends head and spine and unilaterally bend spine laterally to same side

innervation - spinal nerves (C1-C5)

36
Q

What is this Muscle?

orgin?

insertion?

A

Spinalis Cervicus

orgin - spinous process of C5 - T2

insertion- spinous process of C2-C5

37
Q

What is the action and innervation of this muscle?

A

action- Bilaterally extends spine and Unilaterally bend spine to same side

innervation - segmental spinal nerves

38
Q

What is this muscle?

Orgin?

Insertion?

A

Spinalis Thoracis

orgin- spinous process of T10-L3

insertion-spinous process of T2-T8

39
Q

What is the action and innervation of this muscle?

A

Action-Blaterally extend spine and unilaterally bend spine to same side

innervation- segmental spinal nerves

40
Q

What is the Fifth layer (deeepest epaxial muscle)?

A

Inerspinales (cervicis and lumborum)

Intertransversarii (Cervicis Anteriores & posteriores) & (Lumborum Mediale & lateralis)

levatores costarum (Brevis & Longi)

51
Q

Crime Scenes

A

There is NO general exception to the warrant requirement for warrantless searches of crime scenes.

ISAC (14 decks)

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