Abstract #4626
Reversible Changes in knee articular cartilage after half marathon: an MRI T2* study in heathy amateur runners
Yanjing Zhang1,2, Li Zhang3,4, Wanzhen Yao1,2, Siyu Dai1,2,5,6, Dingbo Shu1,2, Jianping Ding2,5,7, and Mengxiao Liu8
1Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China, 2Institute of Sport Medicine, Hangzhou Normal University, Hangzhou, China, 3Department of Radiology, The Children’s Hospital, Zhejiang University School of Medicine, Hangzhou, China, 4National Clinical Research Center for Child Health, Hangzhou, China, 5School of Clinical Medicine, Hangzhou Normal University, Hangzhou, China, 6Faculty of Medicine, The Chinese University of Hong Kong, HongKong, China, 71 Department of Radiology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China, 8MR scientific Marketing, Diagnostic Imaging, Siemens Healthineers Ltd, Shanghai, China
Synopsis
This research investigated the difference in T2* value of knee cartilage between amateur runners and non-exercisers, and examined the trends in the T2* value of knee cartilage in amateur runners before and after a half marathon. The results showed that the T2* value in lateral femorotibial joint of amateur runners was lower than non-exercisers. And the T2* value increased significantly after half-marathon running, and returned to the baseline level after 3 days. This indicates that long-term running may be beneficial to joint health; the effect of a half-marathon exercise on cartilage is reversible.
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