Term
| Functions of the Shoulder |
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Definition
Hand placement
Stabalization for hand use
Shock absorber for arm |
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Term
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Definition
Orient glenoid fossa
Provide stability
Shock Absorber |
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Term
| Acromionclavicular (AC) Joint |
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Definition
Articulates at acromion and distal end of clavicle
~AC ligament strengthens Superiorly
~Aponeuronis of trapezius & deltoid strengthen
posteriorly
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Term
Sternoclavicular (SC) Joint |
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Definition
Proximal clavicle articulates with strernum & cartilage of 1st rib
Capsule thickened by anterior & posterior SC ligaments |
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Term
Only bony connection between humerus and axial skeleton
Permits limited motion of clavicle
Partially responsible for movements of scapula
Clavicle movements at this jt: elevation
& depression, protraction & retraction, forward
& backward rotation |
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Definition
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Term
| Muscle of the Shoulder Girdle |
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Definition
Anterior~ Pectoralis minor, Serratus anterior, Subclavius
Posterior~ Levator scapulae, Rhomboids, Trapezius |
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Term
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Definition
| Articulation of spherical head of humerus w/ small shallow, somewhat pear-shaped glenoid fosa of scapula |
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Term
| Muscular Reinforcements of the Glenohumeral Jt |
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Definition
Above: Supraspinatus & long head of biceps
Below: long head of triceps
Anterior: subscapularis, pectoralis major & teres major
Posterior: infraspinatus & teres minor
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Term
| Muscle of the Shoulder Jt |
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Definition
Anterior: Pectoralis major, Coracobrachialis,
Subscapularis, Biceps brachii
Posterior: Infraspinatus, Teres minor
Superior: Deltoid, Supraspinatus
Inferior: Latissimus dorsi, Teres major, long head of
Triceps brachii |
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Term
Movements in the frontal plane
GH Joint- Abduction
What is the action for the shoulder Girdle?
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Definition
Upward rotation of scapula |
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Term
Movements in the Frontal Plane
GH Joint- Adduction
What is the action for the shoulder Girdle? |
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Definition
Reduction of upward rotation of scapula
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Term
Movements in the Sagittal Plane
GH Joint- Flexion
What is the action for the shoulder Girdle?
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Definition
| upward rotation of scapula |
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Term
Movements in Sagittal Plane
GH Joint - Extension
What is the action for the shoulder Girdle?
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Definition
| reduction of upward rotation |
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Term
Movements in Sagittal Plane
GH Joint- Hyperextension
What is the action for the shoulder Girdle?
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Definition
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Term
Movements in the Horizontal Plane
GH Joint- Lateral Rotation
What is the action for the shoulder Girdle?
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Definition
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Term
Movements in the Horizontal Plane
GH Joint- Medial Rotation
What is the action for the shoulder Girdle?
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Definition
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Term
Movements in the Horizontal Plane
GH Joint- Horizontal Adduction
What is the action for the shoulder Girdle? |
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Definition
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