整合肌内脂肪放射学与腿筋-四肢骨结构和功能比率,以预测未来的腿筋应变损伤
Akanksha Sharma1, Daniel R Smith2,3,4, Alexis B Slutsky-Ganesh2,3,4,5
1Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology & Emory University, Atlanta, Georgia, United States of America.
PLOS digital health
|December 23, 2025
概括
腿部肌内脂肪 (IMF) 的磁共振成像 (MRI) 放射学可以预测未来的腿筋应变损伤 (HSI). 将IMF放射学与肌肉失衡和受伤数据相结合,显著提高了运动员的HSI预测准确性.
科学领域:
- 运动医学和成像分析分析.
- 生物机械伤害预测预测
背景情况:
- 腿筋应变损伤 (HSI) 在运动员中很常见,影响表现和职业生涯的长寿.
- 预测性HSI生物标志物对于制定有效的伤害预防策略至关重要.
- 基于磁共振成像 (MRI) 的放射学提供了一种非侵入性方法来分析组织特征.
研究的目的:
- 调查大腿肌内脂肪 (IMF) 的放射性特征是否可以预测未来的HSI.
- 为了确定放射学与肌肉失衡和损伤概况数据的结合是否会提高HSI预测的准确性.
主要方法:
- 一项前性的纵向研究分析了93名美国职业足球运动员的IDEAL MRI扫描.
- 从腿筋和四头肌肌肉中的肌内脂肪 (IMF) 中提取放射性特征.
- 利用K-近邻分类器来评估包括放射学,肌肉失衡 (Mb) 和损伤概况 (Mi) 特性在内的预测模型.
主要成果:
- 综合模型将腿筋IMF放射学 (Mr) 与肌肉失衡 (Mb) 和损伤概况 (Mi) 数据相结合,实现了最高的预测准确度 (AUC=0.79).
- 这种综合模型显著优于仅使用放射学 (Mr或四头肌IMF放射学),肌肉失衡或损伤概况特征的模型.
- 仅仅腿筋IMF的放射学显示出适度的预测能力 (AUC=0.69).
结论:
- 腿筋IMF的放射性特征,当与肌肉失衡和损伤概况数据集成时,可以有效地预测未来的HSI.
- 这种多式联络方法为识别有HSI风险的运动员提供了一个有前途的策略.
- 在更大,多样化的运动群体中进一步验证是有必要的,以扩大跨性别和参与水平的适用性.
相关概念视频
Bones of the Lower Limb: Femur and Patella
The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the neck...
Bones of the Lower Limb: Tibia and Fibula
The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...


