Table 2 Data of the used feet

ROM [plantarflexion, dorsiflexion]

(−,−)^a

(22,14)°

(6,3)°^a

(11,18)°^a

(17,17)°^a

(18,10)°^a

mechanics

–

hydraulic

hydraulic

DC-Motor^b

hydraulic

hydraulic

control

–

MP

MP

MP

MP

MP

manufacturer

Otto Bock (see Tab.1)

Otto Bock

Blatchford

Össur

Otto Bock

Fillauer