|
KMID : 0359420210390010001
|
|
Korean Journal of Sports Medicine
2021 Volume.39 No. 1 p.1 ~ p.9
|
|
|
Radiographic Evaluation of the Normal Distal Tibiofibular Syndesmosis in Neutral to Dorsiflexion on Weight-Bearing
|
|
Shin Seong-Kee
Kim Ki-Chun
Song Se-Yong
Young Ki-Won
Lee Kyung-Tai
|
|
|
Abstract
|
|
|
Purpose: Reliable landmarks of ankle syndesmosis change in various positions is important for managing ankle injury. The purpose of our study was to investigate and compare radiographic landmarks of normal ankle in various positions.
Methods: The study involved both ankle radiographs of 30 subjects (15 males, 15 females) without clinical or radiographic abnormality. Tibiofibular clear space (TFCS) and tibiofibular overlap (TFO) were measured on anteroposterior (AP) and mortise radiographs in non-standing (NS) and standing (S) neutral and dorsiflexion 10° (DF10) and 20° (DF20). The radiographic measurements were used to calculate means, standard deviations, and intra- and interobserver reliabilities, and compare TFCS and TFO in various positions and genders.
Results: On the AP view, the mean TFCS in NS, S, DF10, and DF20 positions were 4.00±0.97, 4.00±0.83, 4.35±0.95, and 4.45±0.89 mm and the mean TFO on the same positions were 6.58±2.27, 4.27±1.90, 3.44±1.96, and 2.38±1.91 mm. On the mortise view, the mean TFCS in NS, DF10, and DF20 positions were 3.62±0.88, 4.08±0.86, and 3.88±0.97 mm and the mean TFO on the same positions were 3.57±2.13, 2.31±1.77, and 3.57±2.14 mm. The reliabilities in all positions except TFCS on some positions were excellent. No measurement was significantly different between females and males except TFO in NS on mortise view (p=0.006) and DF10 on AP view (p=0.032).
Conclusion: Increase of TFCS and decrease of TFO on AP view reflects syndesmosis change from NS to DF20 on standing. Clinically, the effect of weight-bearing and reliability of TFO should be considered.
|
|
|
KEYWORD
|
|
|
Tibiofibular syndesmosis, Tibiofibular clear space, Tibiofibular overlap, Syndesmotic injuries, Ankle sprain
|
|
|
FullTexts / Linksout information
|
|
|
|
|
|
Listed journal information
|
|
  
|
|