References
- Protopapadaki , A , Drechsler , WI , Cramp , MC , Coutts , FJ and Scott , OM . 2007 . Hip, knee, ankle kinematics and kinetics during stair ascent and descent in healthy young individuals . Clin Biomech (Bristol, Avon) , 22 : 203 – 210 .
- Schmalz , T , Blumentritt , S and Marx , B . 2007 . Biomechanical analysis of stair ambulation in lower limb amputees . Gait Posture , 25 : 267 – 278 .