The effect of combining two separate training protocols on reducing the dynamic knee valgus angle in adolescent soccer players

The effect of combining of the German Knee Association training program (STOP X) and ankle mobility exercises on lower limb kinematics, landing error, balance and proprioception of adolescent soccer players with dynamic knee valgus.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

IRCT

Registry ID

IRCT20221215056826N2

Enrollment

Registered

2023-03-04

Start date

2023-03-03

Completion date

Unknown

Last updated

2023-03-13

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

Conditions

Dynamic knee valgus of adolescent football player. Sprain of cruciate ligament of knee

Interventions

Intervention 1: Intervention group one: STOP X training, STOP X exercise for 8 weeks and 3 sessions of 1 hour each week. The STOP X protocol includes balance, strength, and jumping exercises designed

Eligibility

Sex/Gender

Male

Age

12 Years to 15 Years

Inclusion criteria

Inclusion criteria: Adolescent soccer players with dynamic knee valgus Not having history of back pain, knee and ankle injuries Having at least three training sessions per week

Exclusion criteria

Exclusion criteria: Having Ligament damage in the ankle and knee History of lower limb surgery Absence of more than two seasons of subjects in the exercise

Design outcomes

Primary

Measure	Time frame
Dynamic knee valgus. Timepoint: Before the intervention begins, one day after the end of the intervention. Method of measurement: Single leg test.;Landing eror. Timepoint: Before the intervention begins, one day after the end of the intervention. Method of measurement: Less test.;Y balance. Timepoint: Before the intervention begins, one day after the end of the intervention. Method of measurement: Y balance test.;Proprioception. Timepoint: Before the intervention begins, one day after the end of the intervention. Method of measurement: Goniometer.	—

Measure

Time frame

Dynamic knee valgus. Timepoint: Before the intervention begins, one day after the end of the intervention. Method of measurement: Single leg test.;Landing eror. Timepoint: Before the intervention begins, one day after the end of the intervention. Method of measurement: Less test.;Y balance. Timepoint: Before the intervention begins, one day after the end of the intervention. Method of measurement: Y balance test.;Proprioception. Timepoint: Before the intervention begins, one day after the end of the intervention. Method of measurement: Goniometer.

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Countries

Iran (Islamic Republic of)

Contacts

Public ContactMajid Ghanbari

Bu Ali Sina University

M.ghanbari@phe.basu.ac.ir+98 81 3838 1423

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Feb 4, 2026