Effects of an Eight-Week Functional Hopping Program on Pain, Strength, and Performance in Volleyball Players After ACL Reconstruction

Effect of an Eight-Week Functional Hopping Program on Pain, Lower-Limb Strength, and Functional Performance in Volleyball Athletes Following Anterior Cruciate Ligament Reconstruction: A Randomized Controlled Trial - Effect of an Eight-Week Functional Hopping Program (FHP-ACL) on Pain, Strength, and Performance in Volleyball Athletes Following ACL Reconstruction

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000059894

Enrollment

Registered

2025-12-06

Start date

2025-05-12

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

ACL Reconstruction

Interventions

Volleyball players in the functional training group participated in an eight-week hopping program, consisting of three 40-minute sessions per week. Each session included a 5-minute warm-up, 30 minutes

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Male volleyball players aged 20 to 35 years Pain score of 4 to 6 on the VAS during squat movements No history of lower limb or back surgery except ACL reconstruction ACL reconstruction was performed 6 to 12 months before study participation

Exclusion criteria

Exclusion criteria: Missing three or more training sessions Noncompliance with exercises Pain triggered by training exercises Personal problems preventing participation

Design outcomes

Primary

Measure	Time frame
Pain intensity measured using a validated scale such as the Visual Analog Scale (VAS) or Numeric Pain Rating Scale (NPRS)	—

Countries

Asia(except Japan)

Contacts

Public ContactAynollah Naderi

Shahrood University of Technology Sport science

ay.naderi@shahodut.ac.ir02332392204

Outcome results

None listed

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