Table 1.

Data acquisition protocol. SYM: Symmetrical load; ASYM: asymmetrical load. Pauses were given between the different acquisitions to avoid carry-over effect

PART I, pre fatigue	PART II, fatigue	PART III, post fatigue
without load, barefoot, 1 second	(not acquired) 7 min walking on a treadmill at self-selected speed bearing 8 kg load SYM	8 kg SYM, wearing shoes, 1 second
without load, barefoot, 20 seconds		without load, wearing shoes, 1 second
8 kg SYM, barefoot, 1 second		without load, barefoot,1 second
without load, wearing shoes, 1 second		without load, barefoot, 20 seconds
8 kg ASYM, wearing shoes, 1 second
12 kg SYM, wearing shoes, 1 second
8 kg SYM, wearing shoes, 1 second