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Gross Anatomy > Lab 7: Shoulder, Brachium > Flashcards

Lab 7: Shoulder, Brachium Flashcards

1
Q

Brachium Muscles Compartment Division

A

Anterior: Brachialis, Biceps Brachii, Coracoidbrachialis

Posterior: 3 heads of triceps

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2
Q

Blood supply and nerve supply for anterior/post brachium compartment?

A

Brachial A/ Musculocutaneous N

Brachial Profunda A/ Radial N

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3
Q

Musculocutaneous Pathway in brachium?

A

pierce coracobrachialis, travels between biceps and brachialis, emerges laterally on LAC

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4
Q

Pathway of Ulna N?

A

goes to posterior compartment through medial intramuscular septum and travels behind medial epicondyle

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5
Q

Pathway of Axillary N?

A

Join PHCA to travel around surgical neck of humerus to supply deltoids

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6
Q

Pathway of Radial N?

A

travels with brachial profunda into post compartment around spiral groove to supply triceps

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7
Q

Border of Quadrangular Space? Contents of this space?

A

Superior: teres minor

Posterior: teres major

Lateral: Humerus

Medial: Long head of triceps

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8
Q

Muscles attachments of Rotator Cuff?

A

Supraspinatus

Infraspinatus

Teres Minor

Subscapularis

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9
Q

What nerve travel around spiral groove?

A

Radial N

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10
Q

OIANB of biceps brachii?

A

Short head; Corachoid process of scapula

Long head: supraglenoid tubercle of scapula

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11
Q

Insertions of biceps

A

Tendons: Radial Tuberosity

Bicep Aponeurosis: Deep fascia on ulna

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12
Q

ANB of biceps?

A

Supination of forearm

Flexion of elbow

Short head: flexion of shoulder

Long head: Abduction of externally rotated arm

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13
Q

OIANB of Coracobrachialis

A

Tip of coronoid process of scapula

Middle 1/3 of medial humerus

Flexion of shoulder

Adduction of shoulder

Musculocutaneous N

Brachial A

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14
Q

OIANB of brachialis?

A

Lower half of anterior humerus

Ulnar tuberosity/ Coronoid process of ulna

Flexion of elbow

Musculocutaneous

Brachial A

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15
Q

Origin of triceps?

A

Long head: Infraglenoid tubercle of scapula

Lateral: Post HUmerus above spiral groove

Medial: _________ below spiral groove

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16
Q

IANB of Triceps

A

Olecranon process of ulna

Extension of elbow

long head: extension of shoulder

Radial N

Brachial Profunda

17
Q

OIANB of supraspinatus

A

Supraspinous process of scapula

Superior facet of greater tubercle of humerus

abduction of shoulder/ stabilize glenohumeral joint

suprascapular A + N

18
Q

OIANB of infraspinatus

A

Infraspinous process of scapula

Middle facet of greater tubercle of humerus

Lateral rotation of shoulder

suprascapular A + N

19
Q

OIANB of teres minor

A

Upper 2/3 of axillary border of scapula

Inferior facet of greater tubercle of humerus

lateral rotation of shoulder/ Stabilze glenohumeral Joint

Axillary N
PHCA

20
Q

OIANB of teres major

A

Dorsal surface of inferior border of scapula

Upper 1/3 of axillary border of scapula

Lesser tubercle of humerus

Extension/ Adduction/ Internal Rotation of shoulder

Lower subscapular N (C3-C6)

Circumflex Scapular A

21
Q

OIANB of Subscapularis

A

subscapular spine of scapula

Lesser tubercle of humerus

Internal rotation of shoulder/ Stabilize glenohumeral joint

Upper/Lower subscapular N

Circumflex Scapular A

22
Q

Origins/ Insertion of Deltoids?

A

Anterior: Lateral third of clavicle

Middle: lateral portion of acromion

Posterior: Spine of scapula

Deltoid tuberosity of humerus

23
Q

ANB of deltoids?

A

Ant: Flexion/Horizontal Adduction/Internal rotation of shoulder

Middle: Abduction of shoulder

Post: Extension/ Abduction/ Lateral Rotation of shoulder

Axillary N

PHCA

24
Q

What part of clavicle is this?

A

Sternal end of clavicle

25
Q

What part is this of clavicle? What side is this? Is it the right position? How do you know?

A

Acromial end of the clavicle

left side

Yes because acromion end of clavicle face down

26
Q

What surface of clavicle is this? Is this a right position of clavicle on body?

A

Superior Surface of Clavicle

Yes because we can see superior surface of clavicle

27
Q

What muscle attach the green arrow?red arrow? What surface of clavicle is this?

A

Pec major

Deltoids

Superior surface

28
Q

What surface of clavicle is this? How do you know?

A

Inferior Surface of clavicle

Because you can see the conoid tubercle of the clavicle

29
Q

What muscle attach to the blue arrow? Yellow arrow? What is red arrow part of clavicle?

A

Subclavius

Deltoids

Conoid tubercle of clavicle

30
Q

What is it called for M? K? J? I?

A

Jugular Notch of the Sternum

Manubrium of Sternum

Body of sternum

Xiphoid Process of Sternum

Gross Anatomy (28 decks)

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