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Acute Cardiovascular and Neuromuscular Responses to Walking With Blood Flow Restriction (BFR) in Older Adults
Sponsor: Universidade da Coruña
Summary
The goal of this clinical trial is to explore how walking combined with different levels of partial blood flow restriction (BFR) affects cardiovascular, neuromuscular, and movement (kinematic) variables in older adults. The main questions it aims to answer are: Does walking with BFR increase internal effort, as shown by cardiovascular changes, and is this effect proportional to the level of restriction? Does walking with BFR temporarily reduce neuromuscular control, and is this reduction greater at higher restriction levels? Does walking with BFR change gait movement patterns? This study uses a crossover design, meaning that each participant will complete all four conditions and serve as their own control. Participants will: Take part in walking sessions under four conditions with different levels of restriction: BFR40%, BFR80%, SHAM (0% BFR), and CON (without BFR). Have their cardiovascular responses, muscle performance, and gait movement patterns measured. Report their perceptions of the sessions, including Rate of Perceived Exertion (RPE), satisfaction, and possible side effects.
Official title: Acute Cardiovascular and Neuromuscular Responses to Walking With Blood Flow Restriction in Older Adults: a Study Protocol for a Randomized Crossover Trial
Key Details
Gender
All
Age Range
60 Years - 90 Years
Study Type
INTERVENTIONAL
Enrollment
20
Start Date
2025-12-08
Completion Date
2026-01
Last Updated
2025-12-10
Healthy Volunteers
No
Conditions
Interventions
Walking
Participants will perform two continuous 10-minute walking bouts, separated by a 3-minute seated recovery period to allow reperfusion following BFR or pause, along a rectangular 40-meter walking circuit (15×5 m). Walking cadence will be standardized at 112 steps per minute.
Locations (2)
Faculty of Sport of University of Porto
Porto, Porto District, Portugal
Faculty of Education of University of La Laguna
San Cristóbal de La Laguna, Santa Cruz de Tenerife, Spain