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Name:
UMIN ID:

Recruitment status Preinitiation
Unique ID issued by UMIN UMIN000040817
Receipt No. R000046598
Scientific Title Center of pressure (COP) of the carrying and stepping foot in the pitching motion in baseball Elucidation of trajectory and lower limb muscle synergy
Date of disclosure of the study information 2020/08/01
Last modified on 2020/06/18

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Basic information
Public title Center of pressure (COP) of the carrying and stepping foot in the pitching motion in baseball Elucidation of trajectory and lower limb muscle synergy
Acronym Center of pressure (COP) of the carrying and stepping foot in the pitching motion in baseball Elucidation of trajectory and lower limb muscle synergy
Scientific Title Center of pressure (COP) of the carrying and stepping foot in the pitching motion in baseball Elucidation of trajectory and lower limb muscle synergy
Scientific Title:Acronym Center of pressure (COP) of the carrying and stepping foot in the pitching motion in baseball Elucidation of trajectory and lower limb muscle synergy
Region
Japan

Condition
Condition healthy baseball player
Classification by specialty
Adult
Classification by malignancy Others
Genomic information NO

Objectives
Narrative objectives1 The purpose of this study was to determine the lower limb muscular synergy and COP trajectory of the carrying and stepping feet during the pitching motion in high-level athletes.
Basic objectives2 Others
Basic objectives -Others Building a foundation for the prevention of pitching disorders
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes Muscle synergy: calculated from the muscle activity waveform measured by electromyography
COP: Floor reaction force is measured with a floor reaction force meter and COP is calculated.
Key secondary outcomes The following parameters are calculated using a 3D motion analysis system
Kinematic parameters: joint angle, joint angular velocity
Kinematic parameters: inter-articular forces, joint torque

Base
Study type Interventional

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

Intervention
No. of arms 1
Purpose of intervention Prevention
Type of intervention
Device,equipment
Interventions/Control_1 Affixing electrodes for surface electromyography
Attaching markers for 3D motion analysis equipment
Apply for about 90 minutes on the day of measurement.
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
18 years-old <=
Age-upper limit
35 years-old >
Gender Male
Key inclusion criteria The level of competition in baseball must be at the college or professional level (either on a college hardball team or in the pros) (Players in a baseball league). The position must be pitcher.
Key exclusion criteria Pain or disease in the shoulder or elbow joint in the past six months from the date of measurement.
Target sample size 15

Research contact person
Name of lead principal investigator
1st name Takehiko
Middle name
Last name Yamaji
Organization Gunma University
Division name Graduate School of Health Sciences, Gunma University, Department of Health Sciences
Zip code 371-8511
Address 3-39-22, Showa-machi, Maebashi, Gunma
TEL 027-220-8948
Email tyamaji@gunma-u.ac.jp

Public contact
Name of contact person
1st name Yoichi
Middle name
Last name Kaizu
Organization Gunma University
Division name Gunma University Graduate School of Health Sciences Doctoral Course
Zip code 371-8511
Address 3-39-22, Showa-machi, Maebashi, Gunma
TEL 027-220-8948
Homepage URL
Email h192c001@gunma-u.ac.jp

Sponsor
Institute Gunma University
Institute
Department

Funding Source
Organization Gunma University
Organization
Division
Category of Funding Organization Other
Nationality of Funding Organization

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

IRB Contact (For public release)
Organization Department of Clinical Investigation, Gunma University Hospital
Address 3-39-15, Showa-machi, Maebashi, Gunma
Tel 027-220-8740
Email hitotaisho-ciru@ml.gunma-u.ac.jp

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
2020 Year 08 Month 01 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 Preinitiation
Date of protocol fixation
2020 Year 07 Month 31 Day
Date of IRB
Anticipated trial start date
2020 Year 08 Month 01 Day
Last follow-up date
2022 Year 03 Month 31 Day
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other
Other related information

Management information
Registered date
2020 Year 06 Month 18 Day
Last modified on
2020 Year 06 Month 18 Day


Link to view the page
URL(English) https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000046598

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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