RecruitingNot ApplicableNCT06664827

Blood Flow Restriction (BFR) Training on the Ulnar Collateral Ligament (UCL)

Outcomes of Blood Flow Restriction Training on the Ulnar Collateral Ligament

Sponsor

The Methodist Hospital Research Institute

Enrollment

50 participants

Start Date

Jan 16, 2025

Study Type

INTERVENTIONAL

Conditions

Healthy Healthy Volunteers Healthy Male and Female Subjects

Summary

The goal of this clinical trial is to identify any differences in elbow ulnar collateral ligament (UCL) relative thickness and joint space laxity in the dominant arm following an 8-week course of low intensity resistance exercises with blood flow restriction (BFR) exercises in healthy volunteers. The main questions it aims to answer are: 1. Do BFR exercises contribute to a change in the relative ligament thickness of the UCL, and changes in the ulnohumeral joint space? 2. Are there changes in arm strength following the 8-week strengthening protocol with/without BFR? Participants will: * Complete two BFR sessions a week for a total of eight weeks. * Complete an exercise session with both arms (dominant arm will receive BFR) at each study visit. * Have sonographs taken of the UCL at the first and last study visit. * Complete strength assessments at the first and last study visit.

Eligibility

Min Age: 18 YearsMax Age: 50 Years

Inclusion Criteria3

Healthy volunteer
Agree to complete all exercise sessions and program in its entirety
Between the ages of 18-50 years old

Exclusion Criteria9

Current or recent injury of the hand, elbow, or shoulder
Outside of the ages of 18-50 years old
Vascular compromise or previous vascular surgery
History of DVT
Current participation in other BFR research study
Currently participating in a structured strength training program
Any musculoskeletal conditions resulting in inability to exercise
Participants may not be collegiate/professional baseball/softball players
Vulnerable populations

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Interventions

DEVICEDelfi PTS Blood Flow Restriction Tourniquet System

In Houston Methodist rehabilitation clinics these devices are used as standard of care for BFR therapy in many post-operative treatments. General guidelines suggest using ranges between 30% - 80% of limb occlusion pressure (LOP). In our previous research efforts involving BFR the investigators have adhered to these guidelines and experienced no adverse events while observing these ranges to be well tolerated by subjects.