臨床研究等提出・公開システム

Date of registration	July. 09, 2021
Last modified on	July. 09, 2021
Trial ID	jRCT1020210020

Scientific Title	Examination of muscle changes during direct stretching
Public Title	Examination of muscle changes during direct stretching

Contact for Scientific Queries	Name	Takahashi Jumpei
	Affiliation	Hirosaki University Graduate School
	Address	66-1, Hon-cho, Hirosaki-shi, Aomori, 036-8564
	Telephone	+81-172395977
	E-mail	junpei@hirosaki-u.ac.jp
Contact for Public Queries	Name	Takahashi Jumpei
	Affiliation	Hirosaki University Graduate School
	Address	66-1, Hon-cho, Hirosaki-shi, Aomori, 036-8564
	Telephone	+81-172395977
	E-mail	junpei@hirosaki-u.ac.jp

Recruitment status	Pending

Anticipated date of first enrollment		July. 09, 2021
Target sample size		50
Study Type		Interventional
Study Design	allocation	non-randomized controlled trial
	masking	open(masking not used)
	control	uncontrolled control
	assignment	single assignment
	purpose	other
Key inclusion & exclusion criteria	Inclusion Criteria	Hirosaki University Students
	Exclusion Criteria	Students with any orthopedic and skin diseases
	Age Minimum	18age old over
	Age Maximum	No limit
	Gender	Both
Health Condition(s) or Problem(s) Studied		Joint Range of Motion, Joint Flexibility
Intervention(s)		The research intervention consisted of (1) collection of basic information, (2) static stretching of three muscles (pectoralis major, hamstrings, and gastrocnemius) plus "pushing" stimulation under various conditions, and (3) evaluation of changes in muscles before and after stimulation under various conditions using ultrasound imaging equipment.
Health Condition(s) Code		D016059
Intervention(s) Code		D052580
Primary Outcome(s)		Echographic images evaluation of muscle using an ultrasound imaging system. Calculation of intramuscular data (muscle thickness, muscle hardness) .

Primary Sponsor	Hirosaki University Graduate school

Secondary Sponsor

Secondary Sponsor

Name of Certified Review Board	Ethics Committee, Hirosaki University Graduate School of Health Sciences
Address	66-1, Hon-cho, Hirosaki-shi, Aomori, Aomori
Telephone	+81-172335111
E-Mail	junpei@hirosaki-u.ac.jp
Approval Status	Not approval

Plan to share IPD	No

Countries of Recruitment（Except Japan）	none