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UMIN ID:

Recruitment status Open public recruiting
Unique ID issued by UMIN UMIN000035858
Receipt No. R000040849
Scientific Title A Study on the Influence of Step Width at Pitching on Ball Speed and Pitching Motion by Male and Female Baseball Players
Date of disclosure of the study information 2019/02/12
Last modified on 2019/02/12

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Basic information
Public title A Study on the Influence of Step Width at Pitching on Ball Speed and Pitching Motion by Male and Female Baseball Players
Acronym A Study on the Influence of Step Width at Pitching on Ball Speed and Pitching Motion by Male and Female Baseball Players
Scientific Title A Study on the Influence of Step Width at Pitching on Ball Speed and Pitching Motion by Male and Female Baseball Players
Scientific Title:Acronym A Study on the Influence of Step Width at Pitching on Ball Speed and Pitching Motion by Male and Female Baseball Players
Region
Japan

Condition
Condition Healthy person
Classification by specialty
Adult
Classification by malignancy Others
Genomic information NO

Objectives
Narrative objectives1 In this research, focusing on the step width at pitching, we clarify the difference in step width between male players and female players. By further verifying the difference between the ball speed and the pitching motion when changing the step width, we will improve the competitiveness of the female baseball player and help prevent the disability.
Basic objectives2 Others
Basic objectives -Others Prevention
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes Ball speed, step width, joint angle and angular velocity of a knee joint,
Key secondary outcomes direction floor reaction force

Base
Study type Interventional

Study design
Basic design Single arm
Randomization Non-randomized
Randomization unit
Blinding Open -no one is blinded
Control Uncontrolled
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment

Intervention
No. of arms 1
Purpose of intervention Treatment
Type of intervention
Behavior,custom
Interventions/Control_1 Changing step width
Interventions/Control_2
Interventions/Control_3
Interventions/Control_4
Interventions/Control_5
Interventions/Control_6
Interventions/Control_7
Interventions/Control_8
Interventions/Control_9
Interventions/Control_10

Eligibility
Age-lower limit
20 years-old <=
Age-upper limit
30 years-old >
Gender Male and Female
Key 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.
Key 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.
Target sample size 20

Research contact person
Last name of lead principal investigator
1st name
Middle name
Last name Yukio Urabe
Organization Hiroshima University
Division name Graduate School of Biomedical and Health Sciences
Zip code
Address 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551 Japan
TEL 082-257-5405
Email yurabe@hiroshima-u.ac.jp

Public contact
1st name of contact person
1st name
Middle name
Last name Ruo Hashimoto
Organization Hiroshima University
Division name Graduate School of Biomedical and Health Sciences
Zip code
Address 1-2-3 Kasumi, Minami-ku, Hiroshima 734-8551 Japan
TEL 08030536357
Homepage URL
Email ruo-hashimoto@hiroshima-u.ac.jp

Sponsor
Institute Hiroshima University
Institute
Department

Funding Source
Organization Hiroshima University
Organization
Division
Category of Funding Organization Non profit foundation
Nationality of Funding Organization

Other related organizations
Co-sponsor
Name of secondary funder(s)

IRB Contact (For public release)
Organization
Address
Tel
Email

Secondary IDs
Secondary IDs NO
Study ID_1
Org. issuing International ID_1
Study ID_2
Org. issuing International ID_2
IND to MHLW

Institutions
Institutions

Other administrative information
Date of disclosure of the study information
2019 Year 02 Month 12 Day

Related information
URL releasing protocol
Publication of results Unpublished

Result
URL related to results and publications
Number of participants that the trial has enrolled
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events
Outcome measures
Plan to share IPD
IPD sharing Plan description

Progress
Recruitment status Open public recruiting
Date of protocol fixation
2018 Year 12 Month 05 Day
Date of IRB
Anticipated trial start date
2019 Year 01 Month 10 Day
Last follow-up date
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other
Other related information

Management information
Registered date
2019 Year 02 Month 12 Day
Last modified on
2019 Year 02 Month 12 Day


Link to view the page
URL(English) https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000040849

Research Plan
Registered date File name

Research case data specifications
Registered date File name

Research case data
Registered date File name


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