“…However, there are relevant literature reports that in addition to congenital genetic malformations [2], Acquired factors such as vitamin D deficiency [3], weight [4,5], sport events [6] are relevant to GV. Some studies have shown that GV affects people's posture and movement mode, causes the force imbalance between the inner and outer space of the knee joint, which may eventually lead to knee osteoarthritis (KOA) [7] or Anterior cruciate ligament injury [8]; GV not only affects the knee itself but also has a complex impact on the biomechanics of the lower limbs. Jeong Bo et al found that patients with GV are often accompanied by foot compensatory changes such as subtalar joint rotation and arch collapse, which leads to the change of biological force line of lower limbs and finally systemic symptoms [9].…”