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Current Clinical Concepts: Blood Flow Restriction Training.

Muscle weakness and atrophy are common impairments following musculoskeletal injury. The use of blood flow restriction (BFR) training offers the ability to mitigate weakness and atrophy without overloading healing tissues. This approach requires consideration of a wide range of parameters and the purpose of this manuscript is to provide insights into proposed mechanisms of effectiveness, safety considerations, application guidelines, and clinical guidelines for BFR training following musculoskeletal injury. BFR training appears to be a safe and effective approach to therapeutic exercise in sports medicine environments. While training with higher loads produces the most substantial increases in strength and hypertrophy, BFR training appears to be a reasonable option to bridge between earlier phases of rehabilitation when higher loads may not be tolerated by the patient and later stages that are consistent with return to sport performance.