Download - Sports Therapy Organisation Conference - Blood Flow Restriction Training

STO Conference 2014

Tim Egerton

Blood Flow Restriction Training


Performance Benefits

Working through injury

Rehabilitation


• Mechanisms Underpinning Adaptations

• Training Applications– Performance Programmes

– Rehabilitation Programmes


– Blood Flow Restriction

– Occlusion

– Kaatsu

• Based on vascular occlusion (achieved through compression of the vasculature proximal to the working muscle)

Typical Protocols & Variables

• 3-4 sets, 15 repetitions (30 seconds recovery)– @20% 1RM approx

• Intermittent vs. continuous occlusion

• Pressure cuff vs. knee wraps– 200mmHg or 70% tightness

Arbitrary Pressure Values

Cuff Width

Elasticated Knee Wraps

Originally developed for use in elderly populations and in rehabilitation

Strength and Hypertrophy

Hypertrophy

Mechanical Tension

Metabolic Stress

Skeletal Muscle Damage

Conclusion: Appears result in minimal muscle damage

Injured Athlete

Injured Athlete

Injury recurrence

Injured Athlete

Injury recurrence

Underlying Dysfunction

Disuse / Atrophy

Conclusion: Restoring a normal strength profile decreases muscle injury incidence

Strength and Hypertrophy Paradox

Strength & Hypertrophy

Key to successful rehabilitation

Strength and Hypertrophic Adaptation

Requires loading Injured Structures

Cannot tolerate loading

Attractive Rehabilitation Tool

But What are the Risks?

Safety concerns: Very prolonged ischemia can lead to necrosis of muscle tissueBlood pooling in extremities could lead to thrombus formation

Pre-Training Screening Questionnaire

• Do you have a personal or family history of clotting disorders (e.g. SLE (lupus), haemophilia, high platelets)?

• Do you have a past history of DVT or pulmonary embolus? • Do you smoke? • Are you on any medication including the contraceptive pill? • Do you have a history of injury to your arteries or veins? • Do you have a history of injury to any of your nerves (including

back or neck injury)? • Do you have diabetes? Does anyone in your family have diabetes? • Does your current or previous training include resistance training? • Do you have any history of high blood pressure?

Rehab Rationale

Standard Protocol

Safety Considerations

Specific Example

Achilles Tendon Treatment

Achilles Rehabilitation

Conclusion: Strong evidence in support of Alfredson Protocol

Conclusion: Full range of motion eccentric exercises show low patient satisfaction compared to floor level exercises

Conclusion: Association between Achilles tendinopathy and tendon stiffness. With lower stiffness observed in tendons affected by tendinopathy.

Performance Benefits

Rehabilitation Tool

Injury Treatment

Tool