Trials Sponsors Conditions Drugs Pricing

Conditions

Healthy Subjects

Keywords

baseballshoulder

Outcome Measures

Primary Outcomes (1)

Strength
Shoulder external rotation and internal rotation strength will be measured with a dynamometer at the end range, as well as at retroverted shoulder neutral and zero degrees for three times. Grip strength will also be measured three times using the dynamometer after the shoulder strength assessments.
baseline reading on visit one

Study Arms (2)

Baseball players in the United States

Other: Strength and Range of Motion

Baseball players in Japan

Other: Strength and Range of Motion

Interventions

Strength and Range of MotionOther

Shoulder external rotation and internal rotation strength will be measured with a dynamometer at the end range, as well as at retroverted shoulder neutral and zero degrees for three times. Grip strength will also be measured three times using the dynamometer after the shoulder strength assessments.

Baseball players in JapanBaseball players in the United States

Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.

Eligibility Criteria

Age15 Years - 22 Years

Sexall

Healthy VolunteersYes

Age GroupsChild (0-17), Adult (18-64)

Sampling MethodNon-Probability Sample

Study Population

Baseball players from schools in the United States and Japan.

You may qualify if:

Able to participate in baseball activities

Sponsors & Collaborators

Loma Linda University
Otherlead

Study Sites (1)

Loma Linda U

Loma Linda, California, 92354, United States

RECRUITING

Everett B Lohman, DScCONTACT909-558-1000 ext. 83171 Elohman@llu.edu

MeSH Terms

Interventions

Range of Motion, Articular

Intervention Hierarchy (Ancestors)

Physical ExaminationDiagnostic Techniques and ProceduresDiagnosisMusculoskeletal Physiological PhenomenaMusculoskeletal and Neural Physiological Phenomena

Study Officials

Everett Lohman, DSc
Loma Linda University
PRINCIPAL INVESTIGATOR

Central Study Contacts

Everett Lohman, DSc

CONTACT

909) 558-1000 Ext. 83171 elohman@llu.edu

Study Design

Study Type: observational
Observational Model: OTHER
Time Perspective: OTHER
Sponsor Type: OTHER
Responsible Party: SPONSOR

Study Record Dates

First Submitted

October 1, 2025

First Posted

October 7, 2025

Study Start

April 23, 2026

Actual (reported)

Primary Completion

April 2027

Estimated

Planned date reported by the registry; this milestone is not confirmed as achieved.

Shoulder Strength in Baseball Players

Brief Summary

Registry Overview

Trial Relationships

Study Timeline

First Submitted

First Posted

Study Start

Primary Completion

Study Completion

Conditions

Keywords

Outcome Measures

Primary Outcomes (1)

Study Arms (2)

Baseball players in the United States

Baseball players in Japan

Interventions

Eligibility Criteria

You may qualify if:

Sponsors & Collaborators

Study Sites (1)

MeSH Terms

Interventions

Intervention Hierarchy (Ancestors)

Study Officials

Central Study Contacts

Study Design

Study Record Dates

You may not qualify if:

Data Sharing

Source record

Locations

Brief Summary

Registry Overview

Trial Relationships

Related Scientific Literature

Study Timeline

First Submitted

First Posted

Study Start

Primary Completion

Study Completion

Conditions

Keywords

Outcome Measures

Primary Outcomes (1)

Study Arms (2)

Baseball players in the United States

Baseball players in Japan

Interventions

Eligibility Criteria

You may qualify if:

Sponsors & Collaborators

Study Sites (1)

MeSH Terms

Interventions

Intervention Hierarchy (Ancestors)

Study Officials

Central Study Contacts

Study Design

Study Record Dates

You may not qualify if:

Data Sharing

Source record

Locations