Post-allocation study period (weeks) | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Enrolment | Baseline | Post-allocation | Follow-up | |||||||||||
Timepoint** | 2 weeks | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |  |
Enrolment | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Eligibility screen | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
 Informed consent | X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
 Allocation |  | X |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interventions | |||||||||||||||
 Football group |  |  | X | X | X | X | X | X | X | X | X | X | X | X |  |
 Aerobic group |  |  | X | X | X | X | X | X | X | X | X | X | X | X |  |
Assessments | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 VO2 max, explosive power |  | X |  |  |  |  |  |  |  |  |  |  |  |  | X |
 Range of motion, muscular power, and work |  | X |  |  |  |  |  |  |  |  |  |  |  |  | X |
 Muscle architecture (CSA, FL, MT, PA) and PT length |  | X |  |  |  |  |  |  |  |  |  |  |  |  | X |