Cams-Knee

Activity	Description
Level walking	Walking straight ahead over 5 force plates embedded in the floor
Downhill walking	Walking down a walkway with a 10° inclined slope (18%), which included two force plates
Stair descent	Walking down an instrumented stair with three steps, each 18cm in height
Sit-to-Stand	The two tasks stand-to-sit and sit-to-stand were measured as a single sequence. The subject started in a sitting position, rose to an upright standing position and sat down again
Squat	Standing with stationary feet, approximately shoulder width apart with hands stretched forwards Knee joint flexion as far as individually possible before returning to the standing position