OPP 9 - Shoulder/Elbow/Forearm

Terms in this set (20)

joints of shoulder include? (4)

-Glenohumeral - (shoulder joint)
-Sternoclavicular
-Acromioclavicular
-Scapulothoracic articulation

GH joint: most common dislocation?

Only true joint attaching upper extremity to thoracic cage?

-sternoclavicular joint

Clavicle role in SC joint? (2)

-keeps scapula on posterior thorax
-stops glenoid from turning anteriorly

AC joint stabilized by?

-coracoclavicular ligaments

When humerus fully flexed/extended, then clavicle rotates where?

-F: posteriorly
-E: anteriorly

Scapulothoracic joint is?

asymmetry in relationship btwn scapula & thorax indicates? (2)

-weak serratus anterior
or
-injury of long thoracic n C5-C7 --> scapular winging

UE & opposite LE should?

-swing in tandem in gait

Anterior & posterior walls of axilla?

-A: pec major
-P: Lat Dorsi

Medial (2) & lateral walls of axilla?

-M: ribs 2-6, serratus anterior
-L: bicipital groove of humerus

Apex & base of axilla?

-A: GH joint
-B: skin of armpit

Shoulder motions tested how?

-stabilizing scapula

Frozen shoulder (2)

-no GH motion present
-only scapulothoracic motion

-pieces of cartilage that have broken off in joint

Codman shoulder abduction

180 shoulder abduction equals:
-120 humeral abduction
-60 scapular rotation (30 scapular rotation & 30 clavicle elevation)

Thoracic Outlet Syndrome

-compression of neurovascular bundle btwn anterior/middle scalenes

Supination & pronation w/radial head?

-Supination = anterior
-pronation = posterior

Mechanism for anterior/posterior radial head?

-A: fall back on outstretched hand
-P: fall forward on outstretched hand

Carrying angle: males vs female

-M: 5 deg
-F: 10-15 deg

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