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Upper Limb > Bones and Muscles + Movement (Arm) > Flashcards

Bones and Muscles + Movement (Arm) Flashcards

1
Q

Clavicle

A

Sternal

Acromial surfaces

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2
Q

Scapula

A 
Vertebral border
Spine
Superior and Inferior angles
Acromion and coracoid processes
Supraspinous, infraspinous, subscapular and glenoid fossae
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3
Q

Proximal humerus

A

Head
Anatomical and Surgical necks
Greater and lesser tubercles
Intertubercular and spiral grooves

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4
Q

Sternoclavicular joint

A

Support: sternoclavicular ligament, costoclavicular ligament, joint capsule, subclavius muscle

Clinical: strong ligaments prevent dislocation, ankylosis limits arm elevation

Movement: elevation/depression of arm during flexion and extension + ab/adduction and movement at glenohumeral joint

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5
Q

Acromioclavicular joint

A

Support: Coracoclavicular ligament and joint capsule

Clinical: dislocated by direct force, “shoulder separation”

Movement: rotation assists shoulder movement

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6
Q

Glenohumeral joint

A

Support: Musculotendinous rotator cuff, glenohumeral ligaments, glenoid labrum, joint capsule

Clinical: Range limited by pain from bursitis or rotator cuff tendinitis. Range limited by dislocation from excessive abduction, extension and lateral rotation

Movement: ab/duction, flexion/extension, medial and lateral rotation; circumduction

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7
Q

Scapulohumeral rhythm

A

for every 3˚ of elevation; 2˚ at glenohumeral and 1˚ from scapula, SC and AC joints

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8
Q

Rotator Cuff

A

Glenohumeral support

SITS: Supraspinatus, infraspinatus, teres minor, subscapularis

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9
Q

Protractors of Scapula

A

Serratus anterior, pectoralis minor

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10
Q

Retractors of Scapula

A

Rhomboids, middle fibers of the trapezius

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11
Q

Elevation of Scapula

A

levator scapulae, rhomboids, superior fibers of the trapezius

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12
Q

Depression of Scapula

A

Pectoralis minor, inferior fibers of the trapezius

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13
Q

Upward rotation of Scapula

A

Serratus anterior, Superior and inferior fibers of trapezius

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14
Q

Downward rotation of Scapula

A

Levator scapulae, rhomboids

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15
Q

Flexion of humerus at glenohumeral joint

A

Pectoralis major, ant. deltoid fibers

Biceps brachii, coracobrachialis

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16
Q

Extension of humerus at glenohumeral joint

A 
Post. deltoid fibers, latissimus dorsi, teres major
Triceps brachii (long head)
17
Q

Abduction of humerus at glenohumeral joint

A

Deltoid and supraspinatus

18
Q

Adduction of humerus at glenohumeral joint

A

Pectoralis major, latissimus dorsi, teres major

19
Q

Medial rotation of humerus at glenohumeral joint

A

Pectoralis major, latissimus dorsi, teres major, ant. deltoid fibers, subscapularis

20
Q

Lateral of humerus at glenohumeral joint

A

Post. deltoid fibers, infraspinatus, teres minor

21
Q

Anastamosis

A

From Suprascapular and dorsal scapular (subclavian) to circumflex scapular (axillary); collateral circulation

22
Q

Shaft and distal humerus

A

Spiral (radial) groove, medial and lateral epicondyles, olecranon, radial and coronoid fossae, trochlea and capitulum

23
Q

Proximal radius

A

Head, neck, tuberosity

24
Q

Proximal ulna

A

Olecranon and coronoid processes, tuberosity, trochlear notch

25
Q

Elbow Joint

A

Support: radial and ulnar collateral ligaments, annular ligament

Clinical: ulna dislocates posteriorly, radius inferiorly; epicondylitis gives pain due to overuse of forearm muscles

Movement: flexion and extension

26
Q

Proximal radioulnar

A

Support: radial and ulnar collateral ligaments, annular ligaments

Dislocation: ulna dislocates posteriorly, radius inferiorly

Movement: pronation, supination

27
Q

Anterior arm compartment

A

Flexion at glenohumeral and elbow joint
Musculocutaneous n.
Brachial a.

28
Q

Posterior arm compartment

A

Extension at glenohumeral and elbow joint
Radial n.
Deep brachial a.

29
Q

Flexion at glenohumeral joint

A

Biceps brachii, coracobrachialis

30
Q

Extension at glenohumeral joint

A

Long head of triceps

31
Q

Flexion at elbow

A

Biceps brachii, brachialis

32
Q

Extension at elbow

A

Long, lateral and medial heads of triceps brachii

33
Q

Supination at elbow

A

Biceps brachii

Upper Limb (4 decks)

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