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Erik H. Arve, Emily Madrak, and Aric J. Warren

quadriceps strength has on athletic performance, it is critical that sports medicine individuals utilize methods by which strength can be restored to preinjury levels. Blood flow restriction (BFR) training is an intervention gaining popularity in rehabilitation 13 as it appears that strength gains may be

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Diego B. Souza, Michael Duncan, and Marcos D. Polito

blood flow restriction (BFR), has been suggested as being similarly effective as moderate/high-load resistance training in increasing strength and muscle mass. 2 Although the physiological mechanisms regarding the improvement of strength and muscle mass after a low-load resistance training program with

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Stephen D. Patterson and Richard A. Ferguson

The response of calf-muscle strength, resting blood flow, and postocclusive blood flow (PObf) were investigated after 4 wk of low-load resistance training (LLRT) with and without blood-flow restriction in a matched-leg design. Ten untrained older individuals age 62–73 yr performed unilateral plantar-flexion LLRT at 25% 1-repetition maximum (1RM). One limb was trained with normal blood flow and the other had blood flow restricted using a pressure cuff above the knee. 1RM, isometric maximal voluntary contraction, and isokinetic strength at 0.52 rad/s increased (p < .05) more after LLRT with blood-flow restriction than with normal blood flow. Peak PObf increased (p < .05) after LLRT with blood-flow restriction, compared with no change after LLRT with normal blood flow. These results suggest that 4 wk of LLRT with blood-flow restriction may be beneficial to older individuals to improve strength and blood-flow parameters.

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Zhen Zeng, Christoph Centner, Albert Gollhofer, and Daniel König

The combination of physical exercise with a partial blood flow restriction (BFR) in the exercising extremity has gained increasing interest in both research settings and practical training applications. Previous investigations have demonstrated that low-load resistance training in combination with

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Emily E. Kruithof, Spencer A. Thomas, and Patricia Tripp

Key Points ▸ The diagnosis of osteochondritis dissecans (OCD) requires familiarity with symptoms and etiology. ▸ Microfracture surgery has a return-to-participation rate of 58%. ▸ No evidence exists identifying the gold standard protocol for OCD intervention. ▸ Blood flow restriction therapy should

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Jason Brumitt, Marcey Keefer Hutchison, Dan Kang, Zach Klemmer, Mike Stroud, Edward Cheng, Neil Patrick Cayanan, and Sheldon Shishido

Blood flow restriction (BFR) training utilizes a tourniquet, applied to the proximal portion of one or more extremities, to occlude arterial and venous blood flow as one exercises. 1 – 3 Prior research has demonstrated that one can perform a low-load exercise with BFR and achieve significant gains

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Robert S. Thiebaud, Takashi Abe, Jeremy P. Loenneke, Tyler Garcia, Yohan Shirazi, and Ross McArthur

Muscle strength and size are associated with various indicators of overall health and well-being. 1 A practical solution to developing strength and muscle size in individuals who may not be able to lift heavy loads is known as “blood flow restriction (BFR)” or “vascular occlusion” exercise. This

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Jordan Jacobson, Cale Chaltron, David Sherman, and Neal R. Glaviano

Reference Hughes L, Paton B, Rosenblatt B, Gissane C, Patterson SD. Blood flow restriction training in clinical musculoskeletal rehabilitation: a systematic review and meta-analysis. Br J Sports Med . 2017;51(13):1003-1011. https://doi.org/10.1136/bjsports-2016-097071 Clinical Bottom Line The

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Sarah J. Willis, Grégoire P. Millet, and Fabio Borrani

During conditions of systemic hypoxia and/or ischemia via vascular occlusion (blood flow restriction, BFR), there is reduced oxygen availability. The different intrinsic vascular mechanisms of hypoxia-induced compensatory vasodilation 1 or BFR-induced increased vascular resistance 2 may influence

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Zachary W. Bell, Scott J. Dankel, Robert W. Spitz, Raksha N. Chatakondi, Takashi Abe, and Jeremy P. Loenneke

The current literature suggests that the blood flow restriction pressure be set relative to an individual’s arterial occlusion pressure (AOP) as this will account for the cuff used and the size of the limb to which the cuff is applied. 1 However, this method of blood flow restriction is available