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首页> 外文期刊>Orthopaedic Journal of Sports Medicine >Jones Fractures Identified at the National Football League Scouting Combine: Assessment of Prognostic Factors, Computed Tomography Findings, and Initial Career Performance
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Jones Fractures Identified at the National Football League Scouting Combine: Assessment of Prognostic Factors, Computed Tomography Findings, and Initial Career Performance

机译：全国足球联赛球探联合会确定的琼斯骨折：评估预后因素，计算机断层扫描结果和职业初期表现

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Objectives: Jones fractures, which result in loss of playing time and subsequent dysfunction, remain a significant issue for elite contact athletes. The objectives of the present study are to (1) describe the epidemiology, surgical treatment, and impact on early National Football League (NFL) career of Jones fractures identified at the NFL Scouting Combine and (2) establish the value of computed tomography (CT) to determine healing following a Jones fracture in prospective NFL players. Methods: All players who attended the NFL Scouting Combine (2009-2015) were retrospectively reviewed to identify those who previously sustained a Jones fracture with position of play, treatment method, and number of missed collegiate games recorded. Overall mean draft pick, number of games started and played, snap percentage, and position-specific performance scores (Fantasy Score) were compared between Jones fracture athletes and controls without any major injury prior to the NFL Combine and during first three years of NFL career. A classification system, based on the grading of four individual quadrants (plantar, dorsal, medial, lateral), was applied by three orthopaedic surgeons. Results: Overall, the number of Jones fractures among athletes who attended the NFL Combine (2009-2015) was 72/2285 (3.2%) with all athletes treated via intramedullary (IM) screw fixation. Position-specific performance scores for players with a previous Jones fracture were lower than controls across all positions with a significant difference in running backs and defensive linemen. Subgroup CT scan analysis demonstrated a mean overall score of 2.5±1.3 with kappa values of 0.6 and 0.64 for inter- and intra-observer reliability, respectively. 16 Jones fractures (50%) were healed or nearly healed,12 (37.5%) were partially healed, and 4 (12.5%) showed little or no healing. The plantar cortex demonstrated least healing (56%), followed by the lateral cortex (46.9%). Conclusion: Although infrequent, Jones fractures are encountered at the NFL Combine with the highest prevalence at the tight end position and lowest at the running back position. Based on CT, 50% of all players with a previous Jones fracture demonstrate inhealing with least healing at the plantar and lateral cortices. Moreover, position-specific performance scores demonstrate worst performance at all positions for players with a previous Jones fracture versus controls.
机译：目的：琼斯骨折会导致比赛时间的减少和随后的功能障碍，对于精英接触型运动员而言仍然是一个重要问题。本研究的目的是（1）描述流行病学，手术治疗及其对NFL Scouting Combine识别的Jones骨折对国家橄榄球联盟（NFL）早期职业的影响，以及（2）确定计算机断层扫描（CT）的价值）以确定潜在的NFL运动员在琼斯骨折后的愈合情况。方法：回顾性地回顾了所有参加NFL球探联合训练赛（2009-2015）的球员，以找出先前患有琼斯骨折的球员，包括其比赛位置，治疗方法和错过的大学比赛次数。在NFL联合赛之前和NFL职业生涯的前三年中，比较了Jones骨折运动员和对照在没有任何重大伤害的情况下的总体平均选秀权，开始和打过的比赛次数，抢断百分比以及针对特定位置的成绩（幻想得分） 。由三个整形外科医生应用基于四个独立象限（足底，背侧，内侧，外侧）的分级的分类系统。结果：总体而言，参加NFL联合训练（2009-2015）的运动员中的Jones骨折数量为72/2285（3.2％），所有运动员均通过髓内（IM）螺钉固定治疗。先前琼斯骨折的球员在各个位置的特定位置表现得分均低于所有位置的对照，其后卫和防守篮板手的差异显着。亚组CT扫描分析显示观察者之间和观察者内部可靠性的平均总得分为2.5±1.3，卡帕值分别为0.6和0.64。 16例（50％）琼斯骨折fracture愈或几乎he愈; 12例（37.5％）were愈; 4例（12.5％）几乎没有愈合。足底皮层愈合最少（56％），其次是外侧皮层（46.9％）。结论：尽管不常见，但在NFL联合体中遇到Jones骨折的发生率在紧端位置最高，而在后退位置最低。根据CT，在所有琼斯骨折之前的球员中，有50％表现出demonstrate愈和the骨和外侧皮质愈合最少的情况。此外，针对特定位置的成绩得分表明，先前琼斯骨折的球员与对照组相比，所有位置的表现都最差。

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