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2:07 Bouttoniere Nalebuff Stage 1 extensor lag of 10 to 15 degrees; stage 2 lag of 30-40 degrees; stage 3 stiff. Treatment for initial stages is fowlers and later is fusion. Swanneck Nalebuff 1: PIP is flexible 2 PIP flexible in mcp flexion (tunnel littler) 3 PIP is stiff 4 is arthritic MCP. Management is extensor realignment in initial stages with intrinsic release and later stages need MCP swanson arthroplasty.
Hangman fracture Levine edwards classification 1 Undisplaced II Displaced + angulated IIa mostly angulation III Associated facet dislocation. III surgery, rest reduction and halo IIa only extension no traction while reduction
Swischuk line is the line is drawn from anterior aspect of posterior arch of C1 to anterior aspect of posterior arch of C3 the anterior aspect of posterior arch of C2 should be within 1-2 mm of this line: if deviated less than 2 mm: it is consistent with pseudosubluxation, but this alone is insufficient to rule out a hangman fracture if deviated more than 2 mm: it is indicative of true subluxation
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4:20 - Histology of Bone 18:11 - Types of Bone Formation 25:37 - Bone Injury and Repair 36:02 - Bone Metabolism 46:47 - Conditions of Bone Mineralization 1:20:42 - Conditions of Bone Viability 1:23:47 - Test Questions 1:40:34 - Skeletal Muscles 1:52:45 - Nervous System 2:03:03 Connective Tissues 2:08:53 - Test Questions 2:12:41 - Biomechanics 2:43:13 - Test Questions