| abstract |
An apparatus, a method, and a computer program are disclosed. The apparatus (900) comprises a processor (902). The processor (902) is configured to obtain (910) instantaneous acceleration values representing lower limb motion of a user, to form (912) an effective acceleration value from the instantaneous acceleration values over a plurality of steps of the user, and to determine (914) a motion parameter representing overall motion of the user by means of the effective acceleration value. |