Approach to the Upper Limb Disorder Patient – Part I

Which of the following is true of the clavicle?

A paramedic is assessing a posterior stab wound.  He sees the entry wound immediately inferior to the inferior angle of the scapula.  Which of the following structures is unlikely to be pierced by a directly transverse incision at this angle?

On post-mortem the examiner notes an aberrant finding of anatomy in the subject's scapula.  A nerve has pierced the upper portion of the supraspinous fossa.  Which nerve most likely is the culprit?

A patient presents with tenderness over the proximal, anterior humeral diaphysis, exacerbated with flexion of the elbow and supination of the forearm.

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Which is the best matched differential?

The capituloradial angle is used for assessing which fracture type?

The middiaphysis of the humerus has an anterolateral tuberosity for the attachment of a muscle.  What is the innervation of this muscle?

Which of the following are not an attachment of the flexor retinaculum

A patient suffers a fall and subsequent glenohumeral joint anterior dislocation which is reduced with Kocher's manoeuvre in the field.  On plain radiography, an indentation is seen in the posterior humeral head.  What is this lesion called?

During surgery to clear the first portion of axillary nodes (anterior, posterior and lateral), a nerve was damaged in the procedure and subsequently the patient has found it difficult to raise themselves, via the arms, from a chair.

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Which nerve is most likely affected?

A soldier presents to the Royal Army Medical Corps after a game of contact rugby.  On parade the following morning, he found he was unable to salute.  His lieutenant sent him straight to the Doctor for this outrage.  Physical exam is notable for contusion to the tip of the shoulder (most-superior C5 dermatome region) and a lean toward the affected shoulder in order to swing the arm laterally to allow abduction to occur.

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Which structure is most likely affected?  

A poly trauma patient has suffered bilateral clavicular fractures and has a collar on his neck.

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If you were to assess the eleventh cranial nerve, what other actions could you ask him to perform?