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Name:
UMIN ID:

Recruitment status Preinitiation
Unique ID issued by UMIN UMIN000035374
Receipt No. R000040310
Scientific Title The study of knee motion in cutting maneuvers of badminton players
Date of disclosure of the study information 2018/12/27
Last modified on 2018/12/26

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Basic information
Public title The study of knee motion in cutting maneuvers of badminton players
Acronym The study of knee motion in cutting maneuvers of badminton players
Scientific Title The study of knee motion in cutting maneuvers of badminton players
Scientific Title:Acronym The study of knee motion in cutting maneuvers of badminton players
Region
Japan

Condition
Condition healty people
Classification by specialty
Adult
Classification by malignancy Others
Genomic information NO

Objectives
Narrative objectives1 In this research, we aim to investigate the influence of the difference of the foot direction at the time of cutting maneuver on the knee joint motion and to help prevent sports injuries in badminton.
Basic objectives2 Others
Basic objectives -Others we aim to help prevent sports injuries in badminton.
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes Calculation items are knee flexion, valgus, internal rotation angle, maximum vertical ground reaction force. The analysis section is the stop period from the foot contact to the maximum knee flexion position and the movement period from the maximum knee flexion position to the toe-off. Foot contact is defined as the point when the vertical ground reaction force exceeds 10 N, and the toe-off is defined as the point when the vertical ground reaction force falls below 10 N. The analysis section is normalized to 100%.
All evaluations are performed three times, and an average value of three times is used as a representative value of the object for analysis.
Key secondary outcomes

Base
Study type Interventional

Study design
Basic design Cross-over
Randomization Randomized
Randomization unit Individual
Blinding Open -no one is blinded
Control No treatment
Stratification
Dynamic allocation
Institution consideration
Blocking
Concealment

Intervention
No. of arms 3
Purpose of intervention Prevention
Type of intervention
Behavior,custom
Interventions/Control_1 The task operation holds the racket, steps backward, and turns back to the original direction. Cut the foot with both legs, after overhead stroke, landing on the ground reaction force plate set at the distance of 80% of the height behind the body with a non-dominant hand lower leg and instructing it to switch back to the start position as soon as possible. Control condition that does not regulate the orientation of the foot part when touching the ground.
Interventions/Control_2 Take the neutral condition to direct the foot to the front when touching the ground.
Interventions/Control_3 Take the toe-out condition to turn the foot 45 degree outward when touching the ground.
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 Female
Key inclusion criteria 1. Women aged 20 years and older who are enrolled at Hiroshima University when obtaining consent.
2. Person who obtains consent in writing on participation of this research.
3. Persons with badminton competition experience over 3 years.
Key exclusion criteria 1. Persons who have orthopedic diseases in the lower limbs.
2. Persons who have history of operation in lower limbs (excluding skin trauma).
3. Persons who have stakeholders and research subjects in a relationship between teachers and students, and students have interests such as taking lectures of research staff.
4. Other persons who acknowledge that the research staff is inappropriate for conducting this research.
Target sample size 20

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

Public contact
Name of contact person
1st name
Middle name
Last name Noriaki Maeda
Organization Graduate School of Biomedical and Health Sciences, Hiroshima University
Division name Division of Sports Rehabilitation
Zip code
Address 1-2-3 Kasumi, Minami-ku, Hiroshima city, Hiroshima
TEL 082-257-5410
Homepage URL
Email norimmi@hiroshima-u.ac.jp

Sponsor
Institute Graduate School of Biomedical and Health Sciences, Hiroshima University
Division of Sports Rehabilitation
Institute
Department

Funding Source
Organization Graduate School of Biomedical and Health Sciences, Hiroshima University
Division of Sports Rehabilitation
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
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 広島大学病院

Other administrative information
Date of disclosure of the study information
2018 Year 12 Month 27 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
2018 Year 12 Month 12 Day
Date of IRB
Anticipated trial start date
2018 Year 12 Month 27 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
2018 Year 12 Month 26 Day
Last modified on
2018 Year 12 Month 26 Day


Link to view the page
URL(English) https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000040310

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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