A 23 year old profession footballer suffered a twisting injury to his right ankle. On examination, there is a lot of swelling around the medial malleolus but x-ray doesn't show any fracture. The structure injured could be
(Refer: Manish Kumar Varshney's Essential Ohopedics Principles & Practice, 1st edition, pg no. 1265 - 1267)
Deltoid Ligament
Anterior talofibular ligament
Spring ligament
Tendo Achilles
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