The Hypoalgesic Effects of Low Load Blood Flow Restriction Training (BFRT)
NCT ID: NCT05446103
Last Updated: 2022-07-06
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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UNKNOWN
NA
40 participants
INTERVENTIONAL
2022-07-31
2022-12-31
Brief Summary
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Detailed Description
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Intervention Group: A single exercise of elbow flexion with Blood Flow Restriction (30-15-15-15 reps) using 30% of 1 Repetition Maximum.
Control Group: A single exercise of elbow flexion with sham Blood Flow Restriction (4x10 reps) using 65% of 1 Repetition Maximum.
Primary outcome: pressure pain thresholds on quadriceps, biceps, lateral epicondyle and upper trapezius (bilateral).
Secondary outcomes: difference in perceptual response (exertion), change in blood pressure
Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
DOUBLE
Study Groups
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BFR
20 healthy individuals will be assigned to perform elbow flexion exercises with low-load resistance BFR training (30% of 1 RM)
Blood flow restriction training
After warming up, the load is set at 80% of the predicted 1Repetition Maximum (RM) for elbow flexors. Following each successful repetition, the load is increased by 0.5 to 1kg until patients: fail to execute the exercise through the entire range of motion; used improper form to complete the repetition; needed assistance; reported pain. We will allow a 2-3 min of rest between each attempt to ensure recovery.
The session starts by calculating the arterial occlusion pressure in the standard anatomical position. Participants rest in the standing position for 3-5 minutes before measurement to ensure restoration of blood flow circulation and a cuff is placed in the most proximal part of their dominant upper-limb. BFR application is conducted by using an automatic personalized tourniquet system (Mad-Up Pro, France). An 40% occlusion pressure is set and subjects perform 4 sets of elbow flexion (30-15-15-15 reps) using 30% of 1 RM
Sham BFR
20 healthy individuals will be assigned to perform elbow flexion exercises with high-load resistance training with sham BFR (65% of 1 RM)
Sham Blood flow restriction training
After warming up, the load is set at 80% of the predicted 1Repetition Maximum (RM) for elbow flexors. Following each successful repetition, the load is increased by 0.5 to 1kg until patients: fail to execute the exercise through the entire range of motion; used improper form to complete the repetition; needed assistance; reported pain. We will allow a 2-3 min of rest between each attempt to ensure recovery.
The session starts by calculating the arterial occlusion pressure in the standard anatomical position. Participants rest in the standing position for 3-5 minutes before measurement to ensure restoration of blood flow circulation and a cuff is placed in the most proximal part of their dominant upper-limb. BFR application is conducted by using an automatic personalized tourniquet system (Mad-Up Pro, France). An \<20% of occlusion pressure is set and subjects perform 4 sets of 10 reps of elbow flexion using 65% of 1 RM
Interventions
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Blood flow restriction training
After warming up, the load is set at 80% of the predicted 1Repetition Maximum (RM) for elbow flexors. Following each successful repetition, the load is increased by 0.5 to 1kg until patients: fail to execute the exercise through the entire range of motion; used improper form to complete the repetition; needed assistance; reported pain. We will allow a 2-3 min of rest between each attempt to ensure recovery.
The session starts by calculating the arterial occlusion pressure in the standard anatomical position. Participants rest in the standing position for 3-5 minutes before measurement to ensure restoration of blood flow circulation and a cuff is placed in the most proximal part of their dominant upper-limb. BFR application is conducted by using an automatic personalized tourniquet system (Mad-Up Pro, France). An 40% occlusion pressure is set and subjects perform 4 sets of elbow flexion (30-15-15-15 reps) using 30% of 1 RM
Sham Blood flow restriction training
After warming up, the load is set at 80% of the predicted 1Repetition Maximum (RM) for elbow flexors. Following each successful repetition, the load is increased by 0.5 to 1kg until patients: fail to execute the exercise through the entire range of motion; used improper form to complete the repetition; needed assistance; reported pain. We will allow a 2-3 min of rest between each attempt to ensure recovery.
The session starts by calculating the arterial occlusion pressure in the standard anatomical position. Participants rest in the standing position for 3-5 minutes before measurement to ensure restoration of blood flow circulation and a cuff is placed in the most proximal part of their dominant upper-limb. BFR application is conducted by using an automatic personalized tourniquet system (Mad-Up Pro, France). An \<20% of occlusion pressure is set and subjects perform 4 sets of 10 reps of elbow flexion using 65% of 1 RM
Eligibility Criteria
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Inclusion Criteria
* able to perform full elbow flexion and extension
Exclusion Criteria
* cervical radiculopathy,
* rheumatoid arthritis,
* neurological deficit,
* serious cardiovascular diseases,
* venous deficiency,
* history of heart surgery,
* cancer history,
* breast surgery,
* orthopaedic surgeries during the last 6 months,
* thrombosis,
* diabetes,
* body mass Index ≥ 30,
* Crohn syndrome,
* family or personal history of pulmonary embolism
18 Years
40 Years
ALL
Yes
Sponsors
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University of West Attica
OTHER
Responsible Party
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Stefanos Karanasios
Principal Investigator
Principal Investigators
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George Gioftsos, PhD
Role: STUDY_CHAIR
University of West Attica
Stefanos Karanasios, PhD
Role: STUDY_DIRECTOR
University of West Attica
Alexia Sozeri, MSc
Role: PRINCIPAL_INVESTIGATOR
University of West Attica
Locations
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University of West Attica
Aigáleo, Attica, Greece
Countries
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Central Contacts
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Facility Contacts
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References
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Bowman EN, Elshaar R, Milligan H, Jue G, Mohr K, Brown P, Watanabe DM, Limpisvasti O. Upper-extremity blood flow restriction: the proximal, distal, and contralateral effects-a randomized controlled trial. J Shoulder Elbow Surg. 2020 Jun;29(6):1267-1274. doi: 10.1016/j.jse.2020.02.003.
Gearhart RE, Goss FL, Lagally KM, Jakicic JM, Gallagher J, Robertson RJ. Standardized scaling procedures for rating perceived exertion during resistance exercise. J Strength Cond Res. 2001 Aug;15(3):320-5.
Hughes L, Patterson SD. The effect of blood flow restriction exercise on exercise-induced hypoalgesia and endogenous opioid and endocannabinoid mechanisms of pain modulation. J Appl Physiol (1985). 2020 Apr 1;128(4):914-924. doi: 10.1152/japplphysiol.00768.2019. Epub 2020 Feb 27.
Hughes L, Patterson SD, Haddad F, Rosenblatt B, Gissane C, McCarthy D, Clarke T, Ferris G, Dawes J, Paton B. Examination of the comfort and pain experienced with blood flow restriction training during post-surgery rehabilitation of anterior cruciate ligament reconstruction patients: A UK National Health Service trial. Phys Ther Sport. 2019 Sep;39:90-98. doi: 10.1016/j.ptsp.2019.06.014. Epub 2019 Jul 2.
Korakakis V, Whiteley R, Epameinontidis K. Blood Flow Restriction induces hypoalgesia in recreationally active adult male anterior knee pain patients allowing therapeutic exercise loading. Phys Ther Sport. 2018 Jul;32:235-243. doi: 10.1016/j.ptsp.2018.05.021. Epub 2018 May 31.
Korakakis V, Whiteley R, Giakas G. Low load resistance training with blood flow restriction decreases anterior knee pain more than resistance training alone. A pilot randomised controlled trial. Phys Ther Sport. 2018 Nov;34:121-128. doi: 10.1016/j.ptsp.2018.09.007. Epub 2018 Sep 19.
Lacruz ME, Kluttig A, Kuss O, Tiller D, Medenwald D, Nuding S, Greiser KH, Frantz S, Haerting J. Short-term blood pressure variability - variation between arm side, body position and successive measurements: a population-based cohort study. BMC Cardiovasc Disord. 2017 Jan 18;17(1):31. doi: 10.1186/s12872-017-0468-7.
Calvo Lobo C, Romero Morales C, Rodriguez Sanz D, Sanz Corbalan I, Sanchez Romero EA, Fernandez Carnero J, Lopez Lopez D. Comparison of hand grip strength and upper limb pressure pain threshold between older adults with or without non-specific shoulder pain. PeerJ. 2017 Feb 9;5:e2995. doi: 10.7717/peerj.2995. eCollection 2017.
Minniti MC, Statkevich AP, Kelly RL, Rigsby VP, Exline MM, Rhon DI, Clewley D. The Safety of Blood Flow Restriction Training as a Therapeutic Intervention for Patients With Musculoskeletal Disorders: A Systematic Review. Am J Sports Med. 2020 Jun;48(7):1773-1785. doi: 10.1177/0363546519882652. Epub 2019 Nov 11.
Patterson SD, Hughes L, Warmington S, Burr J, Scott BR, Owens J, Abe T, Nielsen JL, Libardi CA, Laurentino G, Neto GR, Brandner C, Martin-Hernandez J, Loenneke J. Blood Flow Restriction Exercise: Considerations of Methodology, Application, and Safety. Front Physiol. 2019 May 15;10:533. doi: 10.3389/fphys.2019.00533. eCollection 2019.
Other Identifiers
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SK1
Identifier Type: -
Identifier Source: org_study_id
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