Supraspinatus Tendon Acute Effects After Two Exercise Exposures: a Crossover Randomized Trial.
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: Isotonic exercise program, Plyometric exercise program.
- Who it may be relevant to
- Registry conditions: Shoulder Pain, Healthy Adult. Basic parameters: 18 years — 45 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- United States
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Overview
The purpose of this study is to understand acute tendon changes after two exercise programs. We will invite individuals with and without shoulder pain to participate in this study. Every individual will participate in both exercise programs separated by up to 15 days. The researcher will evaluate the shoulder tendon using ultrasound before each exercise program and at 1 hour, 6 hours and 24 hours after each exercise program. The researcher will also evaluate self reported pain, pain sensitivity testing, and self reported questionnaires. We will compare the tendon changes after each exercise program, as well as between participants with and without shoulder pain.
Interventions
- Behavioral Isotonic exercise program
Participants will perform two isotonic exercises, prone shoulder external rotation and shoulder elevation. The exercises will be performed at a pace of 2-second for both concentric and eccentric phases. For each exercise, participants will perform two sets of 8 repetitions, followed by a third set performed until fatigue. Fatigue will be determined using the Repetition in Reserve Scale, which asks the participant to perform exercises until they reach a self-selected number corresponding to the n - Behavioral Plyometric exercise program
Participants will perform two isotonic exercises, prone shoulder external rotation and shoulder elevation. The exercises will be performed at a pace of 1-second for the eccentric phases followed by an explosive concentric phase. For each exercise, participants will perform two sets of 8 repetitions, followed by a third set performed until fatigue. Fatigue will be determined using the Repetition in Reserve Scale, which asks the participant to perform exercises until they reach a self-selected num
Primary outcome measures
- Supraspinatus tendon thickness [Time frame: From enrollment to 1 hour, 6 hours, and 24 hours after each exercise program.]
Secondary outcome measures (2)
- Pain sensitivity testing [Time frame: From enrollment to 1 hour, 6 hours, and 24 hours after each exercise program.]
- Self-reported pain [Time frame: From enrollment to 1, 6, and 24 hours after each exercise program.]
Eligibility criteria
General inclusion criteria
- Between 18 and 45 years of age
- Able to perform physical activity with their shoulder (moderate arm exercise for 15 min, such as tennis or housework)
General exclusion criteria
- Shoulder fracture
- Frozen shoulder (>50% restriction in shoulder range of motion)
- Shoulder surgery
- Full rotator-cuff tears
- Bilateral shoulder pain
- Shoulder instability (history or positive apprehension test)
- Corticosteroid injection in the last 6 weeks
- Neurological diseases
- Cardiological diseases
- Systemic diseases (rheumatic diseases, autoimmune diseases)
- Uncontrolled diabetes
- Pregnancy
Group-specific inclusion criteria
- Shoulder pain group: report unilateral shoulder pain with an average shoulder pain score of≥ 3 in the last week.
- Control group: report no shoulder pain within 6 months.
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: Yes
Study design
- Allocation
- Randomized
- Model
- Crossover
- Masking
- Double blind
- Primary purpose
- Other
Study locations
United States · 1 center
- University of Florida — Gainesville
Identifiers
NCT: NCT07489937 · IRB202501875