A rare systemic disease characterized by generalized joint hypermobility with recurrent joint dislocations, redundant and hyperextensible skin with poor wound healing and abnormal scarring, easy bruising and osteopenia/osteoporosis. Additional manifestations include hypotonia, delayed motor development, foot deformities, prominent superficial veins in the chest region, vascular complications (e.g. mitral valve prolapse and aortic root dilation), hernias, dental anomalies, scoliosis, and facial dysmorphism (e.g. high palate, micrognathia, narrow palate). Mode of inheritance is autosomal recessive.