The effect of velocity based training on sprint

The effect of velocity based training on sprint in high school rugby players - nonblinded randomized controlled trial - - The effect of velocity based training - nonblinded RCT -

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000050185

Enrollment

Registered

2023-02-04

Start date

2023-02-07

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Male rugby players

Interventions

Velocity loss 5% group: Perform squat training with VBT and cease the training set with Velocity loss 5% Velocity loss 20% group: Perform squat training with VBT and cease the training set with Veloci

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: rugby players who can fully participate in rugby training and match Those who have experienced weight training for more than 6 months

Exclusion criteria

Exclusion criteria: Those who have been restricted from participating in rugby training or match due to musculoskeletal disorders within the past one month Those who experience pain during weight training

Design outcomes

Primary

Measure	Time frame
10m and 30m sprint time	—

Secondary

Measure	Time frame
Weight, body fat percentage, muscle strength in lower limbs, agility time, jump ability	—

Countries

Japan

Contacts

Public ContactMasashi Aoyagi

Juntendo University Juntendo Administration for Sports, Health and Medical Sciences

m.aoyagi.vt@juntendo.ac.jp03-5802-1937

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026