Thumb Spica small-left (Blue) recommended for instabilities and injury to the CMC and MCP joints. Permits healing.Helps decrease pain and swelling.Restricts motion while allowing full hand function with adjustable compression. Ideal for thumb arthritis and tendonitis.Can be used for gamekeeper’s/skier’s thumb, soft tissue injuries, hyperextension and post cast healing. Helps protect against strain/injury during high risk sports and repetitive movements at home or work.