Flashcards in Elbow Deck (18):
type of movement resisted by medial collateral ligament?
type of movement resisted by lateral collateral ligament?
type of deformity that may be produced with supracondylar humeral fractures?
cubitus varus= cosmetic problem only
problem with cubitus valgus?
stretching of ulnar nerve
most common direction of dislocation of elbow?
why is the empty can test (ECT) used to test for impingement?
arms abducted and thumbs pointing downwards= internal rotation of humerus- greater tubercle brought under acromion, compressing supraspinatus tendon.
tests supraspinatus function
what is Hawkin's test?
impingment test in which elbow is flexed repeatedly as arm is adducted, downward flexion elicits more pain as arm internally rotated, and adducting arm increases sensitivity.
what is deformity of the elbow usually due to?
cubitus varus due to malunited supracondylar fracture
or cubitus valgus due to old displaced and malunited fracture of lateral condyle
symptoms to ask about in assessment of elbow?
swelling- soft lump on back of elbow suggests olecranon bursitis
instability-common in late stages of RA
ulnar nerve symptoms
normal carrying angle?
5-10 degrees of valgus
importance of looking for SC nodules around elbow?
rheumatoid nodules in RA= systemic manifestation
often over olecranon
often both elbows affected by arthritis in RA ptnts
how is supination and pronation tested?
elbows tucked into sides and flexed to 90 degrees
timescale for emergence of secondary ossification centres of elbow?
radial head- 4 yrs
internal epicondyle- 6 yrs
trochlea- 8 yrs
olecranon- 10 yrs
lateral epicondyle- 12 yrs
how can a cubitus varus be corrected?
wedge osteotomy of lower humerus
how can ulnar nerve symptoms caused at elbow be treated?
transposition of ulnar nerve to front of elbow
common cause of sudden locking of the elbow?
loose body in elbow, for which most common cause= osteochondritis dissecans of capitulum
clinical features of tennis elbow?
pain felt over lateral side of elbow
pain aggravated by movements such as pouring tea, turning a stiff door handle, shaking hands, or lifting with forearm pronated
elbow looks normal
F and E full and painless
tenderness localised to spot just in front of lateral epicondyle
pain reproduced if ptnt extends wrist against resistance, or passively flexing wrist so as to stretch common extensors
similar symptoms are medial epicondyle in golfer's elbow, but pain reproduced by passive extension of wrist in supination