@article{10.11648/j.ijbecs.20210704.15,
  author = {Shenxing Du and Lihong Wei},
  title = {Subtle Activities of Specific Plain Subtalar Joint May Account for Non-injured Ankle Pain: A Case Report},
  journal = {International Journal of Biomedical Engineering and Clinical Science},
  volume = {7},
  number = {4},
  pages = {91-95},
  doi = {10.11648/j.ijbecs.20210704.15},
  url = {https://doi.org/10.11648/j.ijbecs.20210704.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijbecs.20210704.15},
  abstract = {Current clinical practice focuses on discovering injuries and then formulating treatment plans. But some injuries have nothing to do with symptoms, including pain, let alone those situations where there is no injury. The ankle, especially the subtalar joint, has a high rate of variation, so the subtle activities of subtalar joint are exactly important in patients who have biomechanical issues, especially in the condition that all check-ups are normal. This paper presented a case report of a 16-year-old teenager who was a professional basketball player in local senior high school. The pain appeared in both of his soles and ankles as long as he played basketball and disappeared immediately after the exercise since his childhood. All the routine tests involving MRI and ultrasound were normal. No impingement condition was found. 3D dynamic reconstruction combined with 3D continuum model was performed. The specific plain subtalar articular surfaces were revealed. The treatment involving dynamic fixation via rigid tape and training lasted for 4 weeks. Before the treatment, the right talus was more stable than the left one (Δ(norm)=0.5126), and the calcaneus was the other way around (Δ(norm)=0.6280). The differences of degrees of freedom between two sides decreased significantly (Δ(norm)=0.0833, 0.000) after treatment. Besides, the steep and tone of both sides of talus and calcaneus revealed relative rotation and translation which indicated that the movement of subtalar joint trended to the balance of stability and mobility. This patient improved his athletic ability and got pain free immediately after the first treatment. Moreover, the pain didn’t appear during the 12-month follow-up. Therefore, we conclude that based on our treatment which focused on the reduction of the subtle activities of subtalar joint, we support that the subtle activities of variable subtalar joint may influence the athletic abilities and cause some symptoms. Therefore, the importance of bone shape which is the chief culprit of abnormal mobility shall be taken seriously. Moreover, in the case calculation based on the mathematical model, stable calcaneus and flexible talus make the better balance of stability and mobility and are necessary for available exercises.},
 year = {2021}
}

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TY  - JOUR
T1  - Subtle Activities of Specific Plain Subtalar Joint May Account for Non-injured Ankle Pain: A Case Report
AU  - Shenxing Du
AU  - Lihong Wei
Y1  - 2021/12/09
PY  - 2021
N1  - https://doi.org/10.11648/j.ijbecs.20210704.15
DO  - 10.11648/j.ijbecs.20210704.15
T2  - International Journal of Biomedical Engineering and Clinical Science
JF  - International Journal of Biomedical Engineering and Clinical Science
JO  - International Journal of Biomedical Engineering and Clinical Science
SP  - 91
EP  - 95
PB  - Science Publishing Group
SN  - 2472-1301
UR  - https://doi.org/10.11648/j.ijbecs.20210704.15
AB  - Current clinical practice focuses on discovering injuries and then formulating treatment plans. But some injuries have nothing to do with symptoms, including pain, let alone those situations where there is no injury. The ankle, especially the subtalar joint, has a high rate of variation, so the subtle activities of subtalar joint are exactly important in patients who have biomechanical issues, especially in the condition that all check-ups are normal. This paper presented a case report of a 16-year-old teenager who was a professional basketball player in local senior high school. The pain appeared in both of his soles and ankles as long as he played basketball and disappeared immediately after the exercise since his childhood. All the routine tests involving MRI and ultrasound were normal. No impingement condition was found. 3D dynamic reconstruction combined with 3D continuum model was performed. The specific plain subtalar articular surfaces were revealed. The treatment involving dynamic fixation via rigid tape and training lasted for 4 weeks. Before the treatment, the right talus was more stable than the left one (Δ(norm)=0.5126), and the calcaneus was the other way around (Δ(norm)=0.6280). The differences of degrees of freedom between two sides decreased significantly (Δ(norm)=0.0833, 0.000) after treatment. Besides, the steep and tone of both sides of talus and calcaneus revealed relative rotation and translation which indicated that the movement of subtalar joint trended to the balance of stability and mobility. This patient improved his athletic ability and got pain free immediately after the first treatment. Moreover, the pain didn’t appear during the 12-month follow-up. Therefore, we conclude that based on our treatment which focused on the reduction of the subtle activities of subtalar joint, we support that the subtle activities of variable subtalar joint may influence the athletic abilities and cause some symptoms. Therefore, the importance of bone shape which is the chief culprit of abnormal mobility shall be taken seriously. Moreover, in the case calculation based on the mathematical model, stable calcaneus and flexible talus make the better balance of stability and mobility and are necessary for available exercises.
VL  - 7
IS  - 4
ER  - 

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