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Tendon-to-bone fixation is the process of securely attaching a tendon or ligament graft to bone using devices such as bone tunnels, suture anchors, interference screws, cortical buttons, and suspensory fixation systems until biological heal...
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SA (supination-adduction): lat avulsion → vertical medial fx. SER (supination-external rotation): ATFL → fibula at level → posterior → medial (most common). PA (pronation...
33-A: extra-articular; 33-B: partial articular (e.g., Hoffa = B3); 33-C: complete articular. Articular types require anatomic joint reduction; fixation usually with locki...
I split lateral; II split+depression; III pure depression; IV medial; V bicondylar; VI metaphyseal-diaphyseal dissociation. Severity ↑ from I→VI; medial/bicondylar often...
41-A extra-articular; 41-B partial articular; 41-C complete articular. Complements/updates Schatzker with alphanumeric consistency across regions.
Type I: 50° (most vertical → highest shear). Higher angle = higher shear → instability, nonunion risk; stronger fixation needed.
Stable: intact posteromedial buttress; Unstable: posteromedial comminution, reverse obliquity, subtrochanteric extension. Stable → DHS; Unstable → cephalomedullary nail/f...
Types I–V: nondisplaced to highly comminuted/segmental by number/configuration of fragments. Most require IM nailing; higher types have longer healing and alignment chall...
I: inferior to fovea (non–weight-bearing); II: superior to fovea (weight-bearing). III: I/II with femoral neck fracture; IV: I/II with acetabular fracture. II–IV worse pr...
0: none; I: small butterfly; II: larger butterfly with ≥50% cortical contact. III:
Types I–VIII: extra- vs intra-articular, DRUJ involvement, and ulnar styloid fracture. Intra-articular (III–VIII) have higher arthritis risk; often require ORIF.
A: acute stable (A1 tubercle, A2 nondisplaced waist). B: acute unstable (B1 distal oblique, B2 displaced waist, B3 proximal pole, B4 comminuted, B5 perilunate). C: delaye...
I: incomplete/valgus impacted; II: complete, nondisplaced. III: complete, partially displaced (varus); IV: complete, fully displaced. I–II stable → fixation; III–IV unsta...
