case_images: PMC7194471_01
case_images: An image of sprained ankle: (
  a) Immediately after the injury; (
  b) At 24-h follow-up after six 30-min sessions of hydrotherapy with super-saturated hydrogen-rich water.
case_images: f1000research-9-25228-g0000.jpg
case_images: PMC7194471_01_f1000research-9-25228-g0000.jpg
case_images: f1
case_images: At the initial examination immediately after the injury, right ankle was painful, swollen and warm, and had increased laxity on testing ( Figure 1, Panel a). At the 24-h follow-up examination ( Figure 1, Panel b), VAS score for pain dropped to 20 points (mild pain), with ankle circumference decreased to 54.9 cm; WBLT improved to 55.0 mm.