A magnotherapy strap (1) is provided comprising a carrier (3), one or more magnets (5) provided in the carrier (3). A band (7) is attached to the carrier (3) and is arranged to hold the carrier (3) against a limb (9) of a user. The strap further comprises an eye (11) provided at a first end (13) of the strap (1) through which a free end (15) of the band (7) is threadable, so as to allow tensioning of the strap (1) around the limb (9) of the user. The band (7) is provided with a pattern (17) indicating a length of the band (7) being threaded through the eye (11) to thereby indicate a degree of tension being applied to the limb (9).