Wrist Injuries in Nonprofessional Tennis Players: Relationships with Different Grips
Notice bibliographique
Résumé
BACKGROUND: Recent advances in tennis teaching techniques have been applied in nonprofessional tennis players to develop a more effective play. Hits with enormous amount of top-spin and lower technical and physical training are responsible for most wrist injuries in nonprofessional tennis players. HYPOTHESIS: The use of different grips (Eastern, Western, semi-Western) determines the pattern of wrist injuries in nonprofessional tennis players. STUDY DESIGN: Cross-sectional study; Level of evidence, 3. METHODS: Between January 2006 and August 2007, we evaluated 370 nonprofessional division III and IV tennis players. The screening consisted of a questionnaire appropriately prepared to investigate wrist injuries. Medical records of players who reported a wrist injury were reviewed. Body mass index, years of practice, weekly hours of training, racket weight, grip (Eastern, Western and semi-Western), kind of strings, injury type, time out of competition, and therapy (medical or surgical) were recorded. Statistical analysis was performed to assess the association of different wrist injuries with these variables. RESULTS: A total of 320 players reported no injuries in their activity; 50 (13%) reported injuries to the wrist. Medical records of these players were reviewed, and 30 extensor carpi ulnaris lesions, 3 lesions of the extensor tendons, 5 injuries to the flexor carpi radialis, 6 de Quervain diseases, 5 triangular fibrocartilage lesions, and 1 intersection syndrome were found. Ulnar-sided injuries were more frequently associated with Western or semi-Western grips while radial-sided injuries were associated with Eastern grip (chi(2) = 20.7; P < .001). Average time out of competition was 69 days; 4 players underwent surgery; the others received medical and rehabilitative therapy. No differences were observed regarding body mass index, years of practice, weekly hours of training, racket weight, and strings. CONCLUSION: In nonprofessional tennis players with wrist injuries, different grips of the racket are related to the anatomical site of the lesion: Eastern grip with radial-side injuries and Western or semi-Western with ulnar-side injuries. Knowledge of this relationship may influence training, prevention, diagnosis, and therapy of wrist problems in nonprofessional tennis players.
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Prédiction distillée sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Apprise à partir de 10 348 étiquettes directes de Codex et de 10 348 étiquettes directes de Gemma. Le mode candidate est l'union des têtes enseignantes seuillées; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont ni des étiquettes humaines ni des étiquettes directes de modèles de pointe.
Scores Codex et Gemma par catégorie
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,000 |
| Méta-épidémiologie (sens strict) | 0,000 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,000 |
| Bibliométrie | 0,000 | 0,000 |
| Études des sciences et des technologies | 0,000 | 0,001 |
| Communication savante | 0,000 | 0,000 |
| Science ouverte | 0,000 | 0,000 |
| Intégrité de la recherche | 0,000 | 0,001 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,000 | 0,000 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule tête enseignante, pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».