NCT01658423

Brief Summary

The current study examined the effect of maturity on the sprint and jump performances in a single year age group of 13 year old boys.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
107

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Mar 2011

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2011

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2011

Completed
1 year until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2012

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

July 31, 2012

Completed
7 days until next milestone

First Posted

Study publicly available on registry

August 7, 2012

Completed
Last Updated

August 8, 2012

Status Verified

August 1, 2012

Enrollment Period

Same day

First QC Date

July 31, 2012

Last Update Submit

August 6, 2012

Conditions

Physical Fitness

Keywords

pubic hairsprint velocityvertical jump heightbody compositionmaximal voluntary torque

Outcome Measures

Primary Outcomes (1)

  • Body composition

    Bioelectrical impedence - percent body fat

    1 day

Secondary Outcomes (1)

  • Muscle strength

    1 day

Study Arms (1)

Junior high school student

All subjects participated in measurements of body composition, muscle strength and motor fitness

Eligibility Criteria

Age156 Months - 167 Months
Sexmale
Healthy VolunteersYes
Age GroupsChild (0-17)
Sampling MethodNon-Probability Sample
Study Population

Junior high school students

You may qualify if:

  • adolescents

You may not qualify if:

  • subjects had some diseases and disorders

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Chosa junior high school

Kokubu-matsuki, Kagoshima-ken, 8995431, Japan

Location

Related Publications (1)

  • Armstrong N, Welsman JR, Chia MY. Short term power output in relation to growth and maturation. Br J Sports Med. 2001 Apr;35(2):118-24. doi: 10.1136/bjsm.35.2.118.

    PMID: 11273974BACKGROUND

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assisstant Professor

Study Record Dates

First Submitted

July 31, 2012

First Posted

August 7, 2012

Study Start

March 1, 2011

Primary Completion

March 1, 2011

Study Completion

March 1, 2012

Last Updated

August 8, 2012

Record last verified: 2012-08

Locations

JP(1)