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Anatomy > Upper Limb > Flashcards

Upper Limb Flashcards

1
Q

Muscles of the Scapula and Clavicle
**feel like this will be on test

Roger Rabbit Loves to Smoke Pot Seriously

A

Rhomboideus major fx adducation and d rotation
Rhomboideus minor fx d rotation
Levator Scapulae Muscle fx: elevation (in name)
Trapezius Muscle fx: upward rotation; assists w elevation, ; adduction of scapula; extension of head; stabilization
Serratus Anterior fx: abduction of scapula, upward rotation
Pectoralis Minor fx: ABduction of scapula, d rotation
Subclavius Muscle fx: d rotation of clavicle; stabilizes clav

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2
Q

Shoulder Joint

A

ball and socket joint

some ligaments: cracohumeral, transverse humeral, glenohumeral

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3
Q

Rotator Cuff Muscles (4)

SITS

A

Supraspinatus Muscle fx: ABduction of shoulder
Infraspinatus Muscle fx: lateral rotation of shoulder
Teres Minor Muscle fx: lateral rotation of shoulder
Subscapularis Muscle fx: Medial rotation of shoulder
common fx’s: stabilizes shoulder joint

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4
Q

Shoulder Cap

A

Deltoid fx: aBduction of shoulder; flexion and weak medial and lateral rotation

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5
Q

Intertubercular Groove Muscles

A

Pec Major fx: pulls trunk upward when arms above trunk
Teres Major:
Lats: pulls trunk upward when arms above trunk
common fx’s: adduction of shoulder; medial rotation; extension of a flexed shoulder

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6
Q

Elbow Joint is made up of what three joints?
Name ligaments involved?

Uturn CAR

A

humero-ulnar
humero-radial
proximal radio-ulnar

ligaments: capsular lig, ulnar collateral, radial collateral, and unular

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7
Q

Brachial Muscles

A

Coracobrachialis fx: flex shoulder
Brachialis fx: flex elbow
Biceps Brachi fx: flex elbow, flex shoulder, supination
Triceps Brachii fx: extension of elbow, assist w extension of shoulder
common fxs: flex

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8
Q

Axilla
What is it?
Boundaries?
Contents

A 
Axilla is the deepest part of armpit, superior and in between these boundaries:
Pec Major
Rib Cage
Lats
Teres Major 
Contents: arteries veins nerves
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9
Q

Deltopectoral groove

A

indentation between deltoid and pec major that contains cephalic vein and can feel coracoid

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10
Q

Quadrangular Space

Triangular Space

A

Quad: a space between shoulder muscles teres minor, long head of tricep, teres major and humorus
Tri: a space between shoulder muscles teres major and minor and long head of tricep

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11
Q

Arterial Pathways in Shoulder and Brachium

A

Aorta, brachiocepahlic, subclavian artery, then:
Internal Thoracic
Vertebral artery
Thyrocervical trunk- suprascapular artery
Dorsal Scapular Artery
Then Axillary Artery which has lots of branches

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12
Q

Arterial Pathways in Shoulder and Brachium
Axillary Artery ( from 1st rib to teres major tendon)
3 branches:
1 S
2 w 2 branches T-PACD L
3 w 3 brances S-CT P A

A 
Branch 1:
Superior Thoracic (serratus anteriors)
Branch 2 w 2 Branches:
Thoracoacromial Artery: 
-Pec 
-Acromial
-Clavicular
-Deltoid
Lateral Throacic artery
Branch 3 w 3 Branches:
Subscapular Artery
-circumflex scapular artery (goes throught tri space)
-thoracodorsal artery
Posterior circumflex humeral artery
Anterior circumflex humeral artery
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13
Q

Brachial Artery (border teres major tendon and where it branches into radial and ulnar arteries)

A 
Profunda Brachii Artery
-radial collateral artery
-medial collateral artery
Superior Ulnar Collateral
Inferior Ulnar Collateral
Ulnar Artery
-Anterior Ulnar recurrent
-Posterior Ulnar recurrent
Radial Artery-radial recurrent artery
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14
Q

Veins
Superficial Veins
(like a house)

A

Basilic Vein
Cephalic Vein
Median Cubital Vein

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15
Q

Wrist Joint

A

pivot joint

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16
Q

Antebrachial Anterior Compartment
Superfiicial and Deep

Think in terms of F’s and P’s

FFFPP
FFP

innervated by median and ulnar nerve

A

Superficial fyi( all originate at medial epicondyle)
Pronator Teres fx: pronation
Flexor Carpi Radialis fx: flex wrist, AB
Palmaris Longus fx: anchor skin and fascia of hand
Flexor Carpi Ulnaris fx: flex wrist
Flexor Digitorum Superficialis (intermediate muscle) fx: flex wrist and digits
Deep:
Flexor Digitorum Profundus fx: flex wrist
Flexor Pollicis Longus fx: flex thumb
Pronator Quadratus fx: pronator

common fx’s: flex wrist and pronators

17
Q

Posterior Antebrachial Compartment
Lateral and Radial

Think in terms of BEESA

BEEEEESA
EEEA

Innervated by radial nerve

A

Lateral: (fyi: all originate at lateral epicondyle)
Brachioradialis fx: flex elbow
Extensor Carpi Radialis Longus fx extension of wrist/ AB
Extensor Carpi Radialis Brevis fx extension of wrist/ AB
Extensor Digitorum fx: extension of wrist and digits
Extensor Digiti Minimi fx: extension of pinky
Extensor Carpi Ulnaris fx: extension of wrist/ ADduction
Supinator fx: supination
Anconeus fx: extension of elbow
Radial:
ABductor Pollicis Longus fx: AB of thumb
Extensor Pollicis Longus fx: extension of thumb
Extensor Pollicis Brevis fx: extension of thumb minus distal phalange
Extensor Indicis: fx: extend wrist and index finger

Lateral common fx’s: extension of wrists and fingers
Radial common fx’s: Extension of specific fingers

18
Q

Muscles of hand

Hypothenar Muscles

A

Abductor digiti minimi fx: AB of lil finger
Flexor digiti minimi brevis fx: flex lil finger
Opponens digiti minimi fx: flexes lil finger and rotates it to thumb
Palmaris Brevis- helps grip by elevation

Fx’s revolve around lil finger

19
Q

Muscles of hand

Thenar Muscles

A

Abductor polllicis brevis fx: AB of thumb
Flexor pollicis brevis fx: flex thumb
Opponens pollicis fx flex and rotate thumb to lil finger
Adductor Pollicis fx: AD of thumb

fx’s are in names

20
Q

Muscles of hand

Intermetacarpal muscles

A

Lumbrical fx: weak flex; extension of interphanangeal joints
Palmar Interossei PAD fx: AD of 1, 2, 4, and 5
Dorsal Interossei DAB fx: AB 2, 3, 4

21
Q

Carpal Tunnel

A

floor are carpal bones
roof is retinaculum
what’s inside are 9 tendons and median nerve
other tendons and vessels are outside the tunnel

22
Q

Blood Supply to Antebrachium and Hand

A 
Radial 
Ulnary
Superficial palmar arch
Deep Palmar arch
Branches to digits
23
Q

Less obvious nerves and what the innervate

A 
teres minor- axillary nerve
teres major-  lower subscapular
trapezius- cranial XI (accessory)
radial nerve- triceps
median nerve--abductor pollicis, part of the other pollics muscles of anterior compartment of antebrachium and 1/2 lumbricals of hand

Anatomy (24 decks)

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