Burkhart consolidates his biomechanical principles into a single stepwise algorithm for arthroscopic rotator cuff repair. He defines two tear patterns (crescent and U-shaped) and matches each to a repair strategy. The goal is to maximize construct strength across all tear configurations.
The central teaching point rewires how you look at a massive tear on the scope. When the cuff appears pulled far medially, resist the urge to grab the medial margin and drag it laterally to bone. That tear is L-shaped and deformed by tissue elasticity, not retracted. Forcing it over generates strain that fails the repair.
Instead follow the sequence: margin convergence with side-to-side sutures first, then tendon-to-bone fixation of the converged margin. This lowers strain before you ever place an anchor.
The force-couple concept explains why partial repair can still restore function. Restoring balanced anterior and posterior cuff forces re-establishes a stable fulcrum even if a superior hole remains, as long as at least half the infraspinatus reaches bone.
The suture math is worth memorizing: more fixation points means lower load per suture. Use multiple sutures per anchor and the Deadman 45 degree anchor angle to keep every strand below its failure threshold.
Burkhart consolidates his biomechanical principles into a single stepwise algorithm for arthroscopic rotator cuff repair. He defines two tear patterns (crescent and U-shaped) and matches each to a repair strategy. The goal is to maximize construct strength across all tear configurations.
The central teaching point rewires how you look at a massive tear on the scope. When the cuff appears pulled far medially, resist the urge to grab the medial margin and drag it laterally to bone. That tear is L-shaped and deformed by tissue elasticity, not retracted. Forcing it over generates strain that fails the repair.
Instead follow the sequence: margin convergence with side-to-side sutures first, then tendon-to-bone fixation of the converged margin. This lowers strain before you ever place an anchor.
The force-couple concept explains why partial repair can still restore function. Restoring balanced anterior and posterior cuff forces re-establishes a stable fulcrum even if a superior hole remains, as long as at least half the infraspinatus reaches bone.
The suture math is worth memorizing: more fixation points means lower load per suture. Use multiple sutures per anchor and the Deadman 45 degree anchor angle to keep every strand below its failure threshold.