UMIN-CTR Clinical Trial

Basic information
Public title	Effect of resistance training-improved biarticular strength on exercise performance. -from resistance training perspective-
Acronym	Biarticular muscle and exercise performance
Scientific Title	Effect of drop jump training on passive plantar flexor muscles stiffness
Scientific Title:Acronym	Drop jump training and muscle stiffness
Region	Japan

Condition
Condition	N/A
Classification by specialty	Dental medicine Adult
Classification by malignancy	Others
Genomic information	NO

Objectives
Narrative objectives1	To elucidate effect of 8-week drop jump training on plantar flexor muscles stiffness
Basic objectives2	Others
Basic objectives -Others	Determinant factors influencing drop jump performance
Trial characteristics_1
Trial characteristics_2
Developmental phase

Assessment
Primary outcomes	Shear moduli of the plantar flexor muscles are compared between before and after 8-week drop jump training.
Key secondary outcomes

Base
Study type	Interventional

Study design
Basic design	Parallel
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	2
Purpose of intervention	Educational,Counseling,Training
Type of intervention	Other
Interventions/Control_1	Drop jump training for 8 weeks (20 x 5 sets, 3 sessions per week)
Interventions/Control_2	habitual activity
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	40 years-old >=
Gender	Male
Key inclusion criteria	Healthy men
Key exclusion criteria	Participants who have orthopedic history at the ankle joint
Target sample size	30

Research contact person
Name of lead principal investigator	1st name Ando Middle name Last name Ryosuke
Organization	Japan Institute of Sports Sciences
Division name	Department of Sports Research
Zip code	115-005
Address	3-15-1 Nishigaoka Kita-ku Tokyo, Japan
TEL	0359630231
Email	ryosuke.ando@jpnsport.go.jp

Public contact
Name of contact person	1st name Ando Middle name Last name Ryosuke
Organization	Japan Institute of Sports Sciences
Division name	Department of Sports Research
Zip code	115-005
Address	3-15-1 Nishigaoka Kita-ku Tokyo, Japan
TEL	0359630231
Homepage URL
Email	ryosuke.ando@jpnsport.go.jp

Sponsor
Institute	Japan Sport Council, Japan Institute of Sports Sciences
Institute
Department

Funding Source
Organization	Japan Society for the Promotion of Science
Organization
Division
Category of Funding Organization	Japanese Governmental office
Nationality of Funding Organization

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

IRB Contact (For public release)
Organization	Japan Institute of Sports Sciences
Address	3-15-1 Nishigaoka Kita-ku Tokyo Japan
Tel	0359630231
Email	ryosuke.ando@jpnsport.go.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	2021 Year 07 Month 28 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	24
Results
Results date posted
Results Delayed
Results Delay Reason
Date of the first journal publication of results
Baseline Characteristics
Participant flow
Adverse events	N/A
Outcome measures
Plan to share IPD
IPD sharing Plan description

Progress
Recruitment status	No longer recruiting
Date of protocol fixation	2021 Year 07 Month 27 Day
Date of IRB	2018 Year 09 Month 15 Day
Anticipated trial start date	2021 Year 07 Month 27 Day
Last follow-up date	2022 Year 07 Month 26 Day
Date of closure to data entry
Date trial data considered complete
Date analysis concluded

Other
Other related information

Management information
Registered date	2021 Year 07 Month 27 Day
Last modified on	2021 Year 07 Month 27 Day

Link to view the page
URL(English)	https://upload.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000051378