Effects of ShoulderSphere Exercises in Young Adults

NCT07642310 | Completed

• 1 other identifier: GAZI-2022-933-SS
• Study Type: interventional
• Target: 34
• Locations: 1 country
• Sites: 1

Brief Summary

This study evaluated the effects of ShoulderSphere exercises on shoulder stability, muscle strength, proprioception, endurance, and functional performance in young adults. ShoulderSphere is an exercise device that provides dynamic and multi-directional resistance during shoulder movements. The study compared an 8-week ShoulderSphere-based exercise program with a conventional shoulder stabilization exercise program based on selected Thrower's Ten exercises. Young adults without current shoulder symptoms were included in the study. Participants were assigned to one of two exercise groups. Shoulder stability, functional upper-extremity performance, shoulder proprioception, and isokinetic muscle strength and endurance were assessed before and after the 8-week intervention. The aim of the study was to determine whether ShoulderSphere exercises produced different effects compared with conventional shoulder stabilization exercises in young adults.

Conditions

Shoulder Stability; Shoulder Proprioception; Shoulder Muscle Strength; Exercise Therapy

Keywords

ShoulderSphere; Shoulder stability; Shoulder proprioception; Isokinetic strength; Functional performance; Thrower's Ten; Young adults; Shoulder exercise; Closed kinetic chain upper extremity stability test

Outcome Measures

Primary Outcomes (1)

• Change in shoulder stability from baseline to 8 weeks

  Shoulder stability was assessed using the Closed Kinetic Chain Upper Extremity Stability Test. The number of touches completed during the test was recorded before and after the 8-week intervention period.

  Baseline and 8 weeks

Secondary Outcomes (4)

• Change in functional upper-extremity performance from baseline to 8 weeks

  Baseline and 8 weeks

• Change in shoulder proprioception from baseline to 8 weeks

  Baseline and 8 weeks

• Change in isokinetic shoulder muscle strength from baseline to 8 weeks

  Baseline and 8 weeks

• Change in isokinetic shoulder muscle endurance from baseline to 8 weeks

  Baseline and 8 weeks

Study Arms (2)

ShoulderSphere Exercise Group

EXPERIMENTAL

Participants in this arm performed an 8-week ShoulderSphere-based shoulder exercise program. The exercises were performed using the ShoulderSphere device and aimed to improve shoulder stability, proprioception, muscle strength, endurance, and functional upper-extremity performance.

Behavioral: ShoulderSphere-Based Exercise Program

Conventional Shoulder Stabilization Exercise Group

ACTIVE COMPARATOR

Participants in this arm performed an 8-week conventional shoulder stabilization exercise program based on selected Thrower's Ten exercises. The exercises aimed to improve shoulder stability, proprioception, muscle strength, endurance, and functional upper-extremity performance.

Behavioral: Conventional Shoulder Stabilization Exercise Program

Interventions

ShoulderSphere-Based Exercise Program BEHAVIORAL

Participants performed an 8-week shoulder exercise program using the ShoulderSphere device. The program aimed to improve shoulder stability, proprioception, muscle strength, endurance, and functional upper-extremity performance through dynamic and multi-directional shoulder control exercises.

ShoulderSphere Exercise Group

Conventional Shoulder Stabilization Exercise Program BEHAVIORAL

Participants performed an 8-week conventional shoulder stabilization exercise program based on selected Thrower's Ten exercises. The program aimed to improve shoulder stability, proprioception, muscle strength, endurance, and functional upper-extremity performance.

Also known as: Thrower's Ten-Based Exercises

Conventional Shoulder Stabilization Exercise Group

Eligibility Criteria

• Age: 18 Years - 40 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64)

You may qualify if:

• Being between 18 and 40 years of age
• Having no current shoulder pain or clinical shoulder symptoms
• Meeting the study screening criterion for shoulder stability based on the Closed Kinetic Chain Upper Extremity Stability Test
• Volunteering to participate in the study
• Providing written informed consent

You may not qualify if:

• Having current shoulder pain or any clinical shoulder symptoms
• Having a history of shoulder surgery
• Having a history of shoulder dislocation, subluxation, or significant shoulder trauma
• Having any neurological, rheumatological, or systemic condition that could affect upper-extremity function
• Having an acute musculoskeletal injury affecting the shoulder, neck, back, or upper extremity
• Having any condition that would prevent safe participation in the exercise program or outcome assessments
• Unable to complete the intervention or assessment procedures

Sponsors & Collaborators

• Gazi University: lead

Study Sites (1)

Gazi University Graduate School of Health Sciences

Ankara, 06540, Turkey (Türkiye)

Location

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: NON RANDOMIZED
• Masking: NONE
• Masking Details: No masking was used in this study.
• Purpose: OTHER
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Doctoral Researcher

Model Details: Participants were assigned to either the ShoulderSphere exercise group or the conventional shoulder stabilization exercise group. Both groups completed an 8-week exercise intervention, and outcomes were assessed before and after the intervention period.

Study Record Dates

• First Submitted: June 4, 2026
• First Posted: June 11, 2026
• Study Start: May 12, 2024
• Primary Completion: July 25, 2024
• Study Completion: July 25, 2024
• Last Updated: June 11, 2026

Record last verified: 2026-06

Data Sharing

• IPD Sharing: Will not share

Locations

TU (1)