Biceps Tendon Rupture

Question 1

causes of bicep tendon rupture?

Answer 1

can be caused by minimal trauma in elderly patients with pre-existing degenerative shoulder disease or secondary to eccentric loading of the muscle

Question 2

what are distal biceps avulsions?

Answer 2

injuries to the biceps tendon at the radial tuberosity insertion that generally occurs due to a sudden excessive eccentric contraction of the biceps brachii

Question 3

dx of biceps tendon tear?

Answer 3

clinically - hook test
mri to discern between complete and partial tear

Question 4

mx of biceps tendon tear?

Answer 4

older willing to sacrifice function: supportive -> physiotherapy

younger unwilling to sacrifice function: surg repair of tendon to tuberosity

Question 5

where does the short and long head of the biceps insert?

Answer 5

long head - superior lip of glenoid -> proximally on radial tuberosity

short head - coracoid process -> distally on radial tuberosity

Question 6

what is popeye sign?

Answer 6

large bulge in anterior upper arm

Question 7

biceps tendon rupture: weak flexion but preserved supination

Answer 7

short head of biceps

Question 8

what does anconeus help with?

Answer 8

assists in elbow extension