Reverse Shoulder Study
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1. mark location of anatomic neck
2. measure major diameter of  humeral head
​3. diameter gives humeral head height
4. check 56 mm height of humeral head to pectorlis
my equations
2D major humeral head diameter * 0.15 -5 = Perform stem size  r=.87
3D Messieh line *0.18 -5.5 = Perform stem size  r= .89
minor humeral head diameter = .78 Major diameter + 6.3
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​An anthropometric analysis to derive formulae for calculating the dimensions of anatomically shaped humeral heads C. Scott Humphrey, MDa, *, Benjamin W. Sears, MDb , Michael J. Curtin, MDc a Humphrey Shoulder Clinic, Eagle, ID, USA b Western Orthopaedics, Denver, CO, USA c St. Luke’s Orthopaedics, Boise, ID, USA
HHH = .3*Major diameter + 3.2
​minor diameter humeral head = 0.69 major diameter + 10.8
IM guide inside sizing circle  = neutral stem in canal in this case
Picture
Picture
IM guide thru sizing circle  = medialized  stem in canal in this case resulting in lateralized humerus

Serving The Villages,  Clermont , Haines City and  Davenport 
Heart of Florida Adventhealth, Orlando Health Southlake 


Hours

M-F: 7am - 9pm

Telephone

352-243-6899

Email

focusorthopedics@hotmail.com
  • Home
  • dataset
  • Blog
  • Butlers
  • Rp measurement
  • humeral measurement
  • contact
  • Messieh Tuberosity
  • humeral cutting technique
  • diameter to stem size
  • reverse poly
  • ruleof3
  • trial
  • trail2
  • images
  • New Page
  • New Page1

About us

Dr. Michael Messieh is a specialized shoulder surgeon specializing in reverse shoulder replacement surgery. Our mission is to provide patients with the best possible care and support throughout the surgical process.

Contact us

Phone: 352-243-6899
Email: focusorthopedics@hotmail.com
Address: 771 CR 466 Lady Lake Florida Summit Medical Park

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