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Phys Dis > Elbow, Shoulder & Scapula Anatomy > Flashcards

Elbow, Shoulder & Scapula Anatomy Flashcards

1
Q

Elbow flexion

A

Biceps/Brachialis innervated by musculocutaneous nerve & Brachioradalis innervated by radial nerve

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2
Q

Biecps

A

Origin: Coracoid process & supraglenoid tubercle
Insertion: Radial tuberosity
Fx: Elbow flex w forearm supinated

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3
Q

Brachialis

A

Origin: Distal 2/3 humerous
Insertion: ulnar tuberosity
Fx: Elbow flex w forearm pronated

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4
Q

Brachioradalis

A

Origin: Supracondylar ridge
Insertion: Distal radius
Fx: Elbow flex w forearm neutral

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5
Q

Elbow Extension

A

Triceps/Anconeus innervated by radial nerve

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6
Q

Triceps

A

Origin: Long head - infraglenoid tuberosity, Lateral head - posterior humerus & med head - distal to lateral head
Insertion: Olecranon
Fx: Elbow exten

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7
Q

Anconeus

A

Origin: Lat epi & capsule of elbow joint
Insertion: Olecranon & upper 1/4 of dorsal ulna
Fx: elbox exten

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8
Q

Rotator Cuff Muscles

A

Supscapularis, suprapinatus, infrapinatus & teres minor

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9
Q

Supscapularis - subscapular nerve innervation

A

Origin: ant surface of scap
Insertion: Lesser tuberosity
Fx: In rot

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10
Q

Supraspinatus - suprascapular nerve innervation

A

Origin: Supraspinatus fossa
Insertion: Greater tuberosity
Fx: aBduction/flex

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11
Q

Infraspinatus - suprascapular nerve innervation

A

Origin: infraspinatus fossa
Insertion: greater tuberosity
Fx: ex rot

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12
Q

Teres Minor - axillary nerve innervation

A

Origin: axillary border of scap
Insertion: greater tuberosity
Fx: ex rot

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13
Q

Shoulder Flexion Muscles

A

Ant deltoid & coracobrachalis & supraspinatus

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14
Q

Ant deltoid - axillary nerve innervation

A

Origin: Clavical
Insertion: Deltoid Tuberosity
Fx: Shoulder flex

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15
Q

Coracobrachalis - musculocutaneous nerve innervation

A

Origin: coracoid process
Insertion: medial aspect of deltoid
Fx: Shoulder flex

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16
Q

Shoulder aBduction Muscles

A

Mid deltoid & supraspinatus

17
Q

Mid Deltoid - axillary nerve innervation

A

Origin: acromin
Insertion: deltoid tuberosity
Fx: Shoulder aBduction

18
Q

Horz aBduction Muscles

19
Q

Post Deltoid - axillary nerve innervation

A

Origin: spine of scap
Insertion: delt tuberosity
Fx: Horz aBduction

20
Q

Horz Adduction Muscles

21
Q

Pec Major - Lat pectoral nerve innervation

A

Origin: medial clavical, sternum & ribs 1-7
Insertion: greater tuberosity
Fx: horx adduction

22
Q

Shoulder Extension Muscles

A

Lat dorsi, teres major& post deltoid

23
Q

Lat Dorsi - thoracodorsal nerve innervation

A

Origin: T6-T12, L1-L5, sacral vert, ribs 9-12, iliac crest & inferior angle of scap
Insertion: intertubracal groove of humerus
Fx: shoulder exten

24
Q

Teres Major - subscap nerve innervation

A

Origin: inferior angle of scap
Insertion: intertubracal groove of humerus
Fx: shoulder exten

25
Q

Scapular Upward Rotation Muscles

A

Traps & Serratus Anterior

26
Q

Traps - Spinal Accessory Nerve (CNXI) Innervation

A

Origin: U fibers- occiput/ligamentus nuchae; M- spinous process of T1-T5; L- spinous processes of T6-T12
Insertion: U- lat 1/3 of clavical; M- acromin/spine of scap; L- medial end of spine of scap
Fx: Up rot of scap

27
Q

Serratus Ant - Long thoracic nerve Innervation

A

Origin: Ribs 1-8/aponeurosis of intercostals
Insertion: Sup/inferior angles of scap & vertebral border of scap
Fx: Up rot of scap

28
Q

Scapular Downward Rotation Muscles

A

Levator scapulae, rhomboids. serratus ant & lat dorsi

29
Q

Levator Scapulae - C3-4 nerve innervation

A

Origin: C1-4 transverse process
Insertion: Vertebral border of scap
Fx: Down rot of scap

30
Q

Rhomboids (major/minor) - Dorsal Scap Nerve Innervation

A

Origin: C7-T5 spinous process
Insertion: Vertebral boarder - distal to spine of scap
Fx: Down rot of scap

31
Q

Scap Adduction Muscles

A

Middle Traps, Rhomboids Major

32
Q

Scap aBduction Muscles

A

Serratus Ant

33
Q

Scap Elevation Muscles

A

Upper Traps/Levator Scap

34
Q

Scap Depression Muscles

A

Lower Traps

Phys Dis (15 decks)

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