NCT07815340

Brief Summary

This randomized controlled trial compares criteria-based rehabilitation (CBR) with time-based rehabilitation (TBR) for football players aged 18-35 with ACL reconstruction, hamstring strain, or ankle sprain. Both groups receive a six-week supervised rehabilitation program; the progression rules differ between groups.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
52

participants targeted

Target at P25-P50 for not_applicable

Timeline
3mo left

Started Sep 2026

Shorter than P25 for not_applicable

Geographic Reach
1 country

2 active sites

Status
recruiting

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

Trial Relationships

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Study Timeline

Key milestones and dates

Study Progress9%
Sep 2026Jan 2027

First Submitted

Initial submission to the registry

September 6, 2026

Completed
5 days until next milestone

First Posted

Study publicly available on registry

September 11, 2026

Completed
14 days until next milestone

Study Start

First participant enrolled

September 25, 2026

Completed
3 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 25, 2026

Expected
11 days until next milestone

Study Completion

Last participant's last visit for all outcomes

January 5, 2027

Last Updated

September 29, 2026

Status Verified

September 1, 2026

Enrollment Period

3 months

First QC Date

September 6, 2026

Last Update Submit

September 28, 2026

Conditions

Keywords

ankle sprainreinjuryreactive strength

Outcome Measures

Primary Outcomes (8)

  • Hop battery test (single, triple, and crossover hop) including limb symmetry index (LSI)

    A tool to assess lower-limb strength, power, symmetry and functional performance in athletes post-injury; demonstrates good test-retest reliability (ICC ≈ 0.85-0.97) and valid discriminatory ability, though its capacity to predict re-injury remains inconsistent. Depends on individual hop test; usually reported as distance. Higher distance generally indicates better performance

    At baseline, 0 weeks 6 weeks post-intervention

  • Star Excursion Balance Test (SEBT)

    Evaluates dynamic balance and postural control; high reliability (ICC 0.85-0.91) and validated in athletes. no fixed universal minimum/maximum; reach distance is recorded in cm and may be normalized to limb length as a percentage Higher reach distance/normalized score = better dynamic postural balance

    At Baseline After 6 weeks

  • Anterior Cruciate Ligament -RSI (Return to Sport after Injury Scale)

    Measures psychological readiness and fear of re-injury; strong internal consistency (α = 0.94) and test-retest reliability (ICC = 0.90) 0-100 Higher score = greater psychological readiness to return to sport

    At baseline After 6 weeks of intervention

  • Tampa Scale of Kinesiophobia (TSK)

    Assesses fear of movement and re-injury; validated in musculoskeletal populations with good internal consistency (α = 0.810.87) and test-retest reliability (ICC = 0.84-0.90) 17-68 for the 17-item version Higher score = greater fear of movement/reinjury

    at baseline at 6 weeks post intervention

  • Landing Error Scoring System (LESS)

    The LESS is a movement screen used to identify specific movement patterns of the lower extremities that may increase an individual's risk for noncontact ACL injury. 0-17 Lower score = better landing technique; higher score = more landing errors

    at baseline at 6 weeks post intervention

  • Reactive Strength Index (RSI)

    Measures reactive strength and stretch-shortening cycle efficiency; demonstrates good test-retest reliability (ICC = 0.87) in athletes. No fixed minimum/maximum; calculated as jump height ÷ ground contact time Higher value = better reactive strength/stretch-shortening-cycle performance

    at baseline 6 weeks post intervention

  • One-Repetition Maximum (1RM)

    This tool is used to assess the strength of the athlete objectively. No universal fixed minimum/maximum; expressed as the maximum load lifted once, usually in kg Higher value = greater muscular strength

    at baseline 6 weeks post intervention

  • Y-Balance Test (YBT)

    The Y Balance Test is a functional screening tool used to assess dynamic balance, core stability, and injury risk in athletes and patients Composite score: 0-100%; individual reach distances are also recorded Higher score = better dynamic balance

    at baseline 6 weeks post intervention

Study Arms (2)

Criteria based rehabilitation

EXPERIMENTAL

Participants in this group will undergo a 6-week criteria-based rehabilitation program,consisting of 3-5 supervised sessions per week, each lasting 45-60 minutes. Exercise intensity will be progressively increased from low (40-50% of maximum effort) during early phases to high intensity (70-85%) in later stages, depending on individual performance and pain tolerance. Progression will depend on achieving specific functional and psychological benchmarks rather than elapsed time.

Other: Experimental: Criteria based

Time based rehabilitation

ACTIVE COMPARATOR

Participants in this group will follow a fixed 6-week time-based program with 3-5 sessions per week (45-60 minutes/session). Exercise intensity will progress automatically from low to high each week, regardless of functional test results.

Other: Active comparator: Time based rehabilitation

Interventions

* Weeks 1-2: Focus on pain control, ROM restoration, and isometric strengthening (low intensity, 3-4 sets of 10-15 reps). * Weeks 2-4: Closed-chain and eccentric strengthening (moderate intensity, 3 sets of 12-15 reps), balance training, and jogging once LSI ≥ 80%. * Weeks 4-6: Plyometrics, agility, sprinting, and football-specific drills (high intensity, 4-5 sets, 80-85% effort). Participants will only progress or return to play upon meeting the criteria: hop test LSI ≥ 90%, SEBT symmetry, improved ACLRSI,

Criteria based rehabilitation

Weeks 1-2: Pain reduction and early strengthening (low intensity, 3 sets of 10-12 reps). * Weeks 2-4: General strengthening, proprioception, and jogging (moderate intensity, 3 sets of 12-15 reps). * Weeks 4-6: Plyometrics, agility, sprinting, and football-specific drills (high intensity, 70-85% effort) All participants will be cleared for return to play at the end of Week 6, regardless of whether they have achieved functional or psychological milestones, reflecting a traditional time-driven rehabilitation approach. This design reflects conventional rehabilitation models used in previous comparative studies, in which exercise progression and RTP clearance are determined by elapsed time rather than by functional recovery.

Time based rehabilitation

Eligibility Criteria

Age18 Years - 35 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Injury Type: ACL reconstruction, hamstring strain, and ankle sprain.
  • Rehabilitation Phase: Phase 3 for ACL injuries, Phase 1\&2 for hamstring strains and ankle sprains.
  • Football Activity: Active at club or regional football level

You may not qualify if:

  • History of Major surgery in affected limb
  • Chronic neurological or musculoskeletal disorder
  • Non-football athletes

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (2)

Mescon Islamabad football academy

Islamabad, Federal, 051, Pakistan

RECRUITING

Mescon Islamabad Football Academy (MIFA)

Islamabad, Pakistan

RECRUITING

MeSH Terms

Conditions

Ankle InjuriesReinjuries

Condition Hierarchy (Ancestors)

Leg InjuriesWounds and Injuries

Study Officials

  • Ramsha Ali

    Riphah International University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

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
SPONSOR

Study Record Dates

First Submitted

September 6, 2026

First Posted

September 11, 2026

Study Start

September 25, 2026

Primary Completion (Estimated)

December 25, 2026

Study Completion (Estimated)

January 5, 2027

Last Updated

September 29, 2026

Record last verified: 2026-09

Data Sharing

IPD Sharing
Will not share

Locations