A Study on the Influence of Step Width at Pitching on Ball Speed and Pitching Motion by Male and Female Baseball Players

A Study on the Influence of Step Width at Pitching on Ball Speed and Pitching Motion by Male and Female Baseball Players - A Study on the Influence of Step Width at Pitching on Ball Speed and Pitching Motion by Male and Female Baseball Players

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000035858

Enrollment

Registered

2019-02-12

Start date

2019-01-10

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy person

Interventions

Changing step width

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Those who have baseball experience for over three years and are still playing baseball continually. Those who obtain written consent regarding the participation of this research.

Exclusion criteria

Exclusion criteria: Persons who have already passed the merger of orthopedic diseases in the shoulder joint, the elbow joint and the lower limb within the last 6 months. Persons who have a history of operation in shoulder joint/elbow jointsPerson who has interests such as research staff and research subjects are in a relationship between teacher and student, students are taking lectures of research staff.

Design outcomes

Primary

Measure	Time frame
Ball speed, step width, joint angle and angular velocity of a knee joint,	—

Secondary

Measure	Time frame
direction floor reaction force	—

Countries

Japan

Contacts

Public ContactRuo Hashimoto

Hiroshima University Graduate School of Biomedical and Health Sciences

ruo-hashimoto@hiroshima-u.ac.jp08030536357

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026