Shoulder Abductors
Common USMLE question
Abductors and lateral rotators of the shoulder and their innervations
TIDS
T = Teres Minor I = Infraspinatous = Lateral rotation of the shoulder
D = Deltoid S = Supraspinatous = Abduct shoulder
Teres minor and deltoid innervated by Axillary nerve
Infraspinotous and Supraspinatous innervated by Suprascapular nerve
Note that this is different from SITS (Rotator Cuff) Muscles which are Supraspinatous, Infraspinatous, Teres minor, and Subscapularis
Abductors and lateral rotators of the shoulder and their innervations
TIDS
T = Teres Minor I = Infraspinatous = Lateral rotation of the shoulder
D = Deltoid S = Supraspinatous = Abduct shoulder
Teres minor and deltoid innervated by Axillary nerve
Infraspinotous and Supraspinatous innervated by Suprascapular nerve
Note that this is different from SITS (Rotator Cuff) Muscles which are Supraspinatous, Infraspinatous, Teres minor, and Subscapularis
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