Normal anatomy final

13
Christopher M. Aland MD

description

aana learning center lecture

Transcript of Normal anatomy final

Page 1: Normal anatomy final

Christopher M. Aland MD

Page 2: Normal anatomy final

DisclaimerI own stock in Arthrocare and Johnson and

JohnsonI have no conflicts that inhibit my ability to

teach this course

Page 3: Normal anatomy final

Just a word about portals

Page 4: Normal anatomy final

Marine Corps SloganNo better friend…no worse enemy

Sulla, Rome 73BC Mattis, Fallujah 2004

Aland, AANA, Chicago 2011

Page 5: Normal anatomy final

Initial Viewing From Posterior:

Subscapularis tendon

MGHLIGHLSubscap insertionSGHL

Page 6: Normal anatomy final

From Posterior, looking up:Biceps TendonHiatusElbow?Subluxed tendonOrigin on Glenoid

Page 7: Normal anatomy final

Superior labrumAnterior labrumArticular surface

glenoidArticular surface

humeral headInferior labrum

Page 8: Normal anatomy final

Inferior recessBare AreaUndersurface cuff

Page 9: Normal anatomy final

From AnteriorPosterior superior

andPosterior labrumPosterior capsuleAnterior labrumSubscapularis recess

Page 10: Normal anatomy final

Finish the job, look in the backUse two switching

sticksReorient selfProceed with exam

Page 11: Normal anatomy final

Videos

Page 12: Normal anatomy final

What not to fixBuford Complex:

Cordlike MGHL with no labrum beneath

Initially described in 1994, 10% incidence Buford et. Al

Increased incidence of SLAP tears noted Snyder 2003

Page 13: Normal anatomy final

Don’t fix this eitherSublabral foramen

Common variant10-15% or moreDegenerative?Easy to put an

anchor hereDon’t