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In this prospective study, male jump-landing athletes (volleyball and basketball) will be screened pre-season and followed for one consecutive season. Pre-season screening consists of 3D biomechanical analysis of standardized (such as drop vertical jump) and sports-specific jumps (such as stop-jump) before and after a high-intensity, intermittent exercise protocol and clinical field tests (such as force measurements).
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| Measure | Description | Time Frame |
|---|---|---|
| Jump-landing biomechanics | Full-body (trunk, pelvis, hip, knee, ankle) jump-landing biomechanics (3D joint angles and moments) during drop vertical jumps, block jumps and spike jumps | 1 year |
| Jump-landing biomechanics after fatigue | Full-body (trunk, pelvis, hip, knee, ankle) jump-landing biomechanics (3D joint angles and moments) during spike jumps during and after a fatigue protocol | 1 year |
| Measure | Description | Time Frame |
|---|---|---|
| Clinical tests - force | Force measurements of the quadriceps, hamstrings and gluteal muscles by means of hand-held dynamometry | 1 year |
| Clinical tests - mobility | Flexibility of the quadriceps and hamstrings muscles, and ankle dorsiflexion angle during dynamic weight-bearing lunge |
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Inclusion Criteria:
Exclusion Criteria:
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Healthy jump-landing athletes
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| Name | Affiliation | Role |
|---|---|---|
| Roosen | University Ghent | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Vakgroep Revalidatiewetenschappen | Ghent | Oost-Vlaanderen | 9000 | Belgium |
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| ID | Term |
|---|---|
| D005221 | Fatigue |
| ID | Term |
|---|---|
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| 1 year |
| Clinical tests - foot posture | Navicular height and position of the calcaneal bone | 1 year |
| Clinical tests - force endurance | Prone bridge until fatigue | 1 year |
| Clinical tests - endurance | Intermittent yo-yo test (level 1) | 1 year |