Shoulder Flashcards
(64 cards)
Borders of Triangular Space
Teres minor; Teres major; Triceps (long head)
Structure w/in Triangular Space
Circumflex scapular artery
Borders of Quadrangular Space
Teres minor; Teres major; Triceps (long head); Humerus (medial border)
Structures w/in Quadrangular Space
Axillary nerve; Posterior Circumflex artery; Humeral artery
Borders of Triangular Interval
Teres major; triceps (long head); triceps (lateral head)
Structures wi/in Triangular Interval
Radial nerve; Deep artery of arm
Muscles of the Rotator Cuff
Supraspinatus; Infraspinatus; Teres minor; Subscapularis
O/I of Supraspinatus
Supraspinatus fossa / Greater tuberosity (superior)
Most commonly torn rotator cuff tendon
Supraspinatus
Supraspinatus innervation
Suprascapular nerve (C5-6)
Supraspinatus action
Abduction
O/I of Infraspinatus
Infraspinatus fossa / Greater tuberosity (middle)
Infraspinatus innervation
Suprascapular nerve (C5-6)
Infraspinatus action
External rotation
O/I of Teres minor
Lateral scapula / Greater tuberosity (inferior)
Teres minor innervation
Axillary nerve (C5-6)
Teres minor action
External rotation
O/I of Subscapularis
Subscapular fossa / lesser tuberosity
Subscapularis innervation
Upper and lower subscapular nerve (C5-6)
Subscapularis action
Internal rotation
O/I of Deltoid
Clavicle, acromion, spine of scapula / Humerus (deltoid tuberosity)
Deltoid innervation
Axillary
Deltoid action
Abduction
Deltoid atrophy
Damage to Axillary nerve