Summary Manual muscle testing

GLENOHUMERAL JOINT
ACTION MUSCLE POSITION FOR GRADE 0-2 POSITION FOR GRADE 3-5

FLEXORS Anterior deltoid Side lying (elbow flexed at 90 degrees) Siting (elbow flexed at 90 degrees)
(also
coracobrachialis &
pectoralis major)




EXTENSORS Posterior deltoid Side lying (elbow flexed at 90 degrees) Posterior deltoid:
Latissimus dorsi Siting (elbow flexed at 90 degrees)

, Latissimus dorsi:
Prone (elbow extended)




ABDUCTORS Middle fibres of Supine (elbow flexed 90 degrees) Siting (elbow flexed 90 degrees)
Deltoid
(supraspinatus
assists with
abduction)

, ADDUCTORS Pectoralis Major Clavicular head of pectoral muscle: Sternal head:
(sternal & Siting ( arm abducted & elbow flexed 90 degrees) Supine ( elbow extended)
clavicular head) • Arm is moved across body in diagonal




INTERNAL Teres major & Side lying (arm abducted 90 degrees & elbow Prone (arm abducted & hanging off side of plinth)
ROTATORS subscapularis flexed)