Healthy male amateur youth football players Not Applicable
Conditions
Interventions
Randomization
Subjects are stratified by the football team and individually randomized to the Intervention (NHE)- or control group with the 1:1 allocation ratio using an online software application (s
Sponsors
Ministry of Finance Republic of Indonesia
Eligibility
Sex/Gender
Male
Inclusion criteria
Inclusion criteria: 1. Male football players 2. Aged 14-17 years 3. Active participation in the football academy
Exclusion criteria
Exclusion criteria: 1. History of back and lower extremity injury (including hamstring) in the previous six months prior to the study 2. Specific eccentric strength training and specific sprint training more than one session per week in the previous six weeks prior to the study 3. Sustain injury during intervention period 4. Compliance < 75% of the total program 5. Absence in the pre- and/or-post test
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Eccentric hamstring strength is measured using Hamstring Testing System (Nordboard) at baseline and week 9 2. 30 meter sprint is measured using speed recording system based on the light sensors (fitlight) at baseline and week 9 3. Vertical jump is measured using dual forceplate system (Vald Forcedecks) at baseline and week 9 4. Change of Direction (CoD) is measured using speed recording system based on the light sensors (fitlight) at baseline and week 9 | — |
Secondary
| Measure | Time frame |
|---|---|
| Pain is measured using a Numerical Rating Scale after the intervention has performed (twice a week for 2 weeks then continue once a week for 6 weeks) | — |
Countries
Indonesia
Outcome results
None listed