Stopped: The study was withdrawn before enrollment because the required clinical/research staff availability could not be ensured
The goal of this clinical trial is to analyze whether a physiotherapy protocol based on strengthening exercises to the shoulder girdle muscles carried on during anodal transcranial electrical stimulation (a-TES) is more effective on the symptoms and functionality of subjects with subacromial pain syndrome than an isolated strengthening program. The main questions it aims to answer are: * Is the strengthening + a-TES protocol effective on functionality? * Is the strengthening + a-TES protocol effective on quality of life? * Is the strengthening + a-TES protocol effective on pain? * Is the strengthening + a-TES protocol effective on muscle strength? * Is the strengthening + a-TES protocol effective on active range of movement? * Is the strengthening + a-TES protocol effective on proprioception? * Is the strengthening + a-TES protocol effective on posture? * Is the strengthening + a-TES protocol effective on glenohumeral and scapulothoracic kinematics? Participants will perform an 8 weeks-3 days/week shoulder strengthening protocol for the rotator cuff and scapulothoracic muscles using elastic bands and dumbbells. The rotator cuff exercises will be performed while they receive a-TES using a neoprene helmet with the electrodes placed in the opposite hemisphere to the affected side. The scapulothoracic exercises will be performed without the transcranial stimulation. The experimental group will receive real a-TES, and will be compared with a control group that will perform the same therapeutic exercises but with placebo a-TES to see the effectiveness of the a-TES on the outcomes cited above.
Age range
18 Years – 65 Years
Sex
ALL
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Changes in Pain and disability Index (SPADI), spanish version, scale.
Timeframe: Before the intervention, inmediately post intervention (and three months follow up.
Changes in Western Ontario Rotator cuff (WORC), spanish version, scale.
Timeframe: Before the intervention, inmediately post intervention (at eight weeks) and three months follow up.
Changes in a Visual Analogic scale, for the measurement of the shoulder intensity of pain
Timeframe: Before the intervention, inmediately post intervention (at eight weeks) and three months follow up.
Changes in shoulder pain pressure threshold (PPT) in Kg.
Timeframe: Before the intervention, inmediately post intervention (at eight weeks) and three months follow up.