Ligamentous Articular Strain
Upper Extremity
By: Conrad A. Speece, D.O.
Carpal Tunnel
Interosseous membrane
Re-centering the wrist
Carrying angle of the wrist
Body Mechanics Keep hand angled toward 5th finger
Use the wrist in flexion and extension, NOT adduction
and abduction
Elbows out to side when typing
Move whole arm when using mouse
Fingers
Olecranon and radial head
Cubital Tunnel
Muscles of the shoulder
Superior lateral brachial
cutaneous nerve
Levator scapulae
Subscapularis muscle
Biceps tendon and
coracobrachialis muscle
Pectoralis minor muscle
Pectoralis minor
Clavicles
Body Mechanics Never reach behind you
Use arm in range of motion up to, but not past, the
point of pain
Keep shoulders down and relaxed