Thoracic deformity can be roughly divided into two categories, one is depression the other protrusion deformity. In general, called pectus excavatum. era of open surgery, there no big problem with this nomenclature. However, in minimally invasive because general surgery cannot used to treat some deformities, it necessary further classify these deformities. After a long time observations, we fou...

Hallux valgus is a complex deformity of the forefoot. It result multiple effects endogenous and exogenous etiological factors with different degrees influence. The degree hallux was assessed by radiological values (HVA) intermetatarsal (IMA) angle. Thus, each corresponds to pair (HVA, IMA) angle in plane deformity. intensity point position vector S deformation determined relation represents abs...