A shoulder orthosis (1) including a support portion (2) for positioning above a shoulder of user, which support portion exhibits a front (3) and a rear (4) portion which are formed so as to in use be positioned respectively in front of and behind a shoulder joint of the shoulder, a chest band (5) for connection to said front and rear regions and extending around a users chest in use, an arm cuff for application around an arm associated with the shoulder of the user, tension bands for connecting the support portion and the arm cuff. The arm cuff is a lower arm cuff (6) for positioning around said lower arm, the support portion (2) includes the upper arm cuff (7) for the positioning onto the upper arm of said arm, and said tension bands (8) join the upper arm cuff (7) and the lower arm cuff (6).
