Upper Arm Injuries and Conditions
Exostosis / Myositis Ossificans

Blocker’s exostosis
Tackler’s exostosis
Blocker’s spur

Repeated trauma to the humerus

Pain
Point tenderness
Possible paresthesia

Painful bony prominence
Swelling
Loss of function of elbow flexion and extension

Not applicable

Refer to an orthopedic surgeon
X-ray

Not applicable
Medical Term

Common Term



Mechanisms

Symptoms



Signs



Special Tests

Referral/Diagnostic Procedure


Classification of Injury

Management

Comment
Medical Term

Common Term

Mechanisms


Symptoms



Signs


Special Tests


Referral/Diagnostic Procedure

Classification of Injury

Management

Comment
Axillary Nerve Injury

Contusion to peripheral nerve

Direct trauma to the lateral arm
Possibly secondary to an anteriorly dislocated shoulder

Dermatome numbness in area of the middle deltoid
Loss of abduction of the shoulder
Tenderness

Point tenderness
Loss of function of the deltoid and biceps

Sensation brush for change in sensation in middle deltoid
Active and resistive range of motion for strength of the deltoid

Refer to a neurologist

Not applicable