NCT05146141

Brief Summary

The objective of this study is to explore the relaitonship betwenn bent-arm throw and tennis serve performance. Young players (9-12 years) will be assessed at the beginning of the season and at mid-season to measure the accuracy, the speed and the gesture of tennis serve. During a mid-season, they will have to perform a bent-arm throw warm-up program 5 minutes before each training session to increase their ability to throw.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
64

participants targeted

Target at P50-P75 for not_applicable

Timeline
Completed

Started Oct 2021

Shorter than P25 for not_applicable

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

First Submitted

Initial submission to the registry

October 20, 2021

Completed
Same day until next milestone

Study Start

First participant enrolled

October 20, 2021

Completed
2 months until next milestone

First Posted

Study publicly available on registry

December 6, 2021

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

April 29, 2022

Completed
2 months until next milestone

Study Completion

Last participant's last visit for all outcomes

July 1, 2022

Completed
Last Updated

August 30, 2022

Status Verified

August 1, 2022

Enrollment Period

6 months

First QC Date

October 20, 2021

Last Update Submit

August 29, 2022

Conditions

Tennis Serve Performance

Outcome Measures

Primary Outcomes (3)

  • Serve velocity

    Serve velocity will be assessed with a radar

    change between the beginning and the end of the season (6 months)

  • Serve precision

    Serve accuracy will be measured with a target placed on the field

    change between the beginning and the end of the season (6 months)

  • Serve bidimensional movement

    serve gesture will be analysed with camera's

    change between the beginning and the end of the season (6 months)

Study Arms (2)

Intervention Group

EXPERIMENTAL

The participants will have to perform a bent-arm throw program 5 minutes before each training session

Other: Bent-arm throw exercises

Control group

SHAM COMPARATOR

No intervention. They will perform their usual warm-up.

Other: Bent-arm throw exercises

Interventions

Bent-arm throw exercisesOTHER

The participants will have to perform bent-arm throw exercises 5 minutes before each training session

Control groupIntervention Group

Eligibility Criteria

Age9 Years - 12 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • age between 9 and 12
  • playing tennis at least 2 times a week

You may not qualify if:

  • history of shoulder injury or shoulder pain

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Université de Liège

Liège, 4000, Belgium

Location

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Purpose
OTHER
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Physiotherapist

Study Record Dates

First Submitted

October 20, 2021

First Posted

December 6, 2021

Study Start

October 20, 2021

Primary Completion

April 29, 2022

Study Completion

July 1, 2022

Last Updated

August 30, 2022

Record last verified: 2022-08

Data Sharing

IPD Sharing
Will not share

Locations

BE(1)