Apr 16, 2026
Rotator cuff (RC) tears are among the most
common causes of shoulder dysfunction in sports medicine. Muscle
atrophy and degeneration are important risk factors for RC tendon
retearing and suboptimal recovery of shoulder function after tendon
repair. Although blood flow restriction (BFR) can stimulate muscle
regeneration after lower extremity trauma and anterior cruciate
ligament reconstruction, the mechanisms that underlie BFR remain
unknown, and its application to RC tears has not yet been
explored.
In conclusion, BFR significantly improves
muscle quality and shoulder function after RC injury. These effects
occur alongside increased mitochondrial transfer from FAPs to
myocytes.
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