NCT04695067

Brief Summary

This is an observational study that assess the baseball pitchers' fatigue status. The purpose of this study is to find the pitching mechanic change and the fatigue point to provide guidance for coaches to schedule training items . It is expected that earlier detect the pitchers' fatigue point could be able to prevent overuse injury caused by compensatory actions.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
29

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Oct 2018

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 8, 2018

Completed
2.2 years until next milestone

First Submitted

Initial submission to the registry

December 31, 2020

Completed
5 days until next milestone

First Posted

Study publicly available on registry

January 5, 2021

Completed
2.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

July 31, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2023

Completed
Last Updated

April 18, 2024

Status Verified

April 1, 2024

Enrollment Period

4.8 years

First QC Date

December 31, 2020

Last Update Submit

April 16, 2024

Conditions

Fatigue

Outcome Measures

Primary Outcomes (1)

  • heart rate variability (HRV)

    test HRV during pitches

    8 weeks

Interventions

Central fatigue groupBEHAVIORAL

a fatigue protocol that pitchers need to pitch 80 trials in a simulated game

Eligibility Criteria

Age18 Years - 35 Years
Sexmale
Age GroupsAdult (18-64)
Sampling MethodProbability Sample
Study Population

baseball pichers

You may qualify if:

  • healthy baseball pitchers
  • age between 18\~35 years old

You may not qualify if:

  • surgery history in pitching arm
  • Musculoskeletal disease
  • Neuromuscular disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Taiwan

Taipei, 100, Taiwan

Location

MeSH Terms

Conditions

Fatigue

Condition Hierarchy (Ancestors)

Signs and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Wei-Li Hsu, PhD

    National Taiwan University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

December 31, 2020

First Posted

January 5, 2021

Study Start

October 8, 2018

Primary Completion

July 31, 2023

Study Completion

July 31, 2023

Last Updated

April 18, 2024

Record last verified: 2024-04

Data Sharing

IPD Sharing
Will not share

Locations

TW(1)