Pectoral And Scapula Flashcards by Rachel Haines | Brainscape

Q

What pectoral muscle moves clavicle?

A

Subclavius

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Q

What pectoral muscle moves humerus?

A

Pectoral is major

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Q

What pectoral muscles move scapula?

A

Pectoral is minor

Serratus anterior

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Q

What nerve supplies subclavius?

A

Nerve to subclavius

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Q

What nerve supplies pectoral is major?

A

Medial and lateral pectoral nerves

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Q

What nerve supplies pectoral is minor?

A

Medial pectoral nerve

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Q

What nerve supplies serratus anterior?

A

Long thoracic nerve

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Q

Movements of posterior major:

A

Adducts

Medially rotates

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Q

Movements of pectoral is minor:

A

Stabilises scapula

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Q

Movements of subclavius?

A

Stabilises clavicle

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Q

Movements of serratus anterior?

A

Protracts

Scapular rotation - holds scapula against body wall

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Q

What back muscle moves humerus?

A

Latissimus dorsi

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Q

WHat back muscles move scapula?

A

Trapezius

Rhomboid (major and minor)

Lavator scapula

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Q

WHat nerve supples latissimus dorsi?

A

Thoracodorsal nerve

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Q

What nerve supplies trapezius?

A

Spinal accessory - not branch of brachial plexus

C3,4

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Q

What nerve supplies Rhomboids?

A

Dorsal scapular nerve

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Q

What nerves supply lavatory scapula?

A

Cervical nerves

Dorsal scapular

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Q

At which joint does latissimus dorsi act?

A

Glenohumeral joint

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Q

Movements of latissimus dorsi:

A

Extends

Adducts

Medially rotates

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Q

Movements of scapula:

A

Elevation/depression

Protraction/retraction

Upward rotation/downward rotation

Q

Prime mover for elevation of scapula:

A

Upper trapezius

Q

Prime mover for depression of scapula:

A

Gravity

Q

Prime mover for protraction of scapula:

A

Serratus anterior

Q

Prime mover for retraction of scapula:

A

Middle trapezius

Q

Prime mover for upward rotation of scapula:

A

Upper trapezius and serratus anterior

Q

Prime mover for downwards rotation of scapula:

A

Latissimus dorsi

Q

What shoulder muscles move glenohumeral joint?

A

Latissimus dorsi and pectoral is major

Q

WHat are the intrinsic shoulder muscles?

A

Deltoid

there’s major

Rotator cuff - SITS

Q

What nerve supplies deltoid?

A

Axillary nerve

Q

What nerve supplies there’s major?

A

Lower subscapular nerve

Q

3 functional parts of deltoid:

A

Anterior clavicle part

Middle acromial part

Posterior spinal part

Q

Movement of anterior clavicle part of deltoid:

A

Flexion

Medial rotation

Q

Movements of middle acromial part of deltoid?

A

Abduction

Q

Movements of posterior spinal part of deltoid?

A

Extension

Lateral rotation

Q

Movements of teres major:

A

Adduction

Medial rotation

Q

Muscles in rotator cuff:

A

Supraspinatus

Infraspinatus

Teres minor

Subscapularis

Q

What nerve supplies supraspinatus?

A

Suprascapular nerve

Q

What nerve supplies infraspinatus?

A

Suprascapular nerve

Q

What nerve supplies teres minor?

A

Axillary nerve

Q

What nerve supplies subscapularis?

A

Upper and lower subscapular nerves

Q

Spaces in scapular region:

A

Quadrangular

Triangular space (upper)

Triangular interval (lower)

Q

Shape of axilla:

A

Pyramidal

Q

Contents of axilla:

A

Axillary vessels

Brachial Plexus - cords and branches

Axillary sheath

Q

5 groups of lymphatics in axilla:

A

Anterior - Pectoral

Lateral - Humeral

Posterior - subscapular

Central

Apical

Q

Where do the 5 groups of lymph nodes in axilla go to?

A

Subclavian node

Q

What does quadrangular space in axilla contain?

A

Posterior circumflex humeral artery

Axillary nerve

Q

What does triangular space (upper) in axilla contain?

A

Circumflex scapular artery

Q

What does triangular interval (lower) in axilla contain?

A

Radial nerves

Profound a Brachii artery