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Long-distance mountain running is increasingly popular among European and North America countries. Long-distance races are organized in various mountains and can reach up to 160 km (100 miles) with several thousands meters of climbing. The pathophysiological consequences of such extreme effort is still a matter a debate. From a muskelo-skeletal perspectives, the potential lower-limb join damage is a major health issue. The present study aims to use objective magnetic resonance imaging (MRI) techniques to describe the consequences of performing long-distance mountain running races on the knee cartilage.
Healthy male runners will perform T2 MRI knee cartilage examination before, immediatly after and 1 month after 3 distinct long-distance mountain races of 40, 55 and 160 km. The physiological responses during the races (speed, heart rate, glycemia) will also be recordered.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| UT4M 40 | athletes participating to the 40 km mountain race. |
| |
| UT4M 160 | athletes participating to the 160 km mountain race. |
| |
| UTV 55 | athletes participating to the 55 km mountain race. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Long-distance mountain running | Other | Impact of a mountain race on the knee cartilage |
|
| Measure | Description | Time Frame |
|---|---|---|
| T2 MRI | Change in T2 relaxation time of the knee cartilage | from before to immediatly after the long-distance race |
| Measure | Description | Time Frame |
|---|---|---|
| Heart rate | Mean heart rate during the race | Continuous measurement during the race |
| Glycemia | Mean glycemia during the race | Continuous measurement during the race |
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Inclusion Criteria:
Exclusion Criteria:
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Healthy male runners
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| Name | Affiliation | Role |
|---|---|---|
| stephane Doutreleau, MD, PhD | University Hospital, Grenoble | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Doutreleau | Grenoble | 38000 | France |
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