Lumbar flexion measurement device

A device for measuring lumbar flexion comprises a support body 4, a pair of spaced apart first locating means 5, a flexible measuring means 2 mounted on the support body, and a second locating means 1 attached to the measuring means 2. The measuring means 2 is extendible to accommodate movement of the second locating means 1 relative to the first locating means 5. The locating means 1 and 5 may define cavities to arrange over features on a patient's back and may be cupped. The measuring device 2 may comprise a tape, be retractably mounted on the support body 4, mounted on a reel or be slidable within the support body 4. The first locating means 5 may be symmetrical about the measuring means 2 with the distance from the measuring means 2 adjustable. The measuring means 2 may also have a sensing means and a display.