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Quantitative analysis of tibiotalar articular cartilage changes by T2-mapping sequence after long-term physical training
HAN Xiaobing  ZHANG Qianying  A Huan  HUANG Ying  ZHANG Sizhu  ZHANG Shanyou  LIU Nahong  LIU Xuhong 

Cite this article as: Han XB, Zhang QY, A H, et al. Quantitative analysis of tibiotalar articular cartilage changes by T2-mapping sequence after long-term physical training[J]. Chin J Magn Reson Imaging, 2021, 12(4): 62-64, 77. DOI:10.12015/issn.1674-8034.2021.04.012.


[Abstract] Objective To investigate the changes of T2 value of tibial talar joint cartilage after physical training in recent half a year. Materials andMethods Thirty young soldiers aged from 20 to 25 years were selected as the experimental group and healthy young volunteers as the control group. Under the same condition, T2 mapping sequence scanning was performed. The tibiotalar joint was divided into three regions: medial, middle and lateral, and each region was divided into three regions: the front, the middle and the rear, 9 areas in total. The changes of T2 values in each region of the experimental group and the control group were compared, and the differences of T2 values in each region of the experimental group were analyzed.Results The experimental data of 23 male subjects in the experimental group and the control group were collected for statistical analysis. The average age of the experimental group was (22.00±1.86) years old and the average weight was (67.04±5.31) kg. The average age of the control group was (21.87±1.22) years old and the average weight was (58.43±8.28) kg. The average value of T2 in each region of the experimental group was higher than that of the corresponding region of the control group (P＜0.05). There was significant difference in T2 value between the posterior articular cartilage and the anterior articular cartilage in the experimental group (P＜0.05).Conclusions MR T2 mapping sequence can be used to quantitatively analyze the early changes of cartilage composition in the tibiotalar joint after long-term physical training, and the cartilage microstructure of posterior tibiotalar joint is more prone to change. It has a certain reference value for the formulation of scientific training plan.
[Keywords] ankle joint；cartilage；T2-mapping；magnetic resonance imaging；physical training

HAN Xiaobing   ZHANG Qianying   A Huan   HUANG Ying*   ZHANG Sizhu   ZHANG Shanyou   LIU Nahong   LIU Xuhong  

Department of Radiology, 910 Hospital, Joint Logistics Support Force, PLA, Quanzhou 362000, China

Huang Y, E-mail: huangyingct@aliyun.com

Conflicts of interest   None.

This work was part of Quanzhou Science and Technology Plan Project (No. 2018Z148).
Received  2020-12-03
Accepted  2021-01-26
DOI: 10.12015/issn.1674-8034.2021.04.012
Cite this article as: Han XB, Zhang QY, A H, et al. Quantitative analysis of tibiotalar articular cartilage changes by T2-mapping sequence after long-term physical training[J]. Chin J Magn Reson Imaging, 2021, 12(4): 62-64, 77. DOI:10.12015/issn.1674-8034.2021.04.012.

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