It wasnarrated from Abu Hurairah that the Prophet (ﷺ) said:
"Isanyoneof you incapable, when he prays, of stepping forwards orbackwards,or to his right or left?" meaning in order to offer avoluntaryprayer. (FR)
English reference (FR): Vol. 1, Book 5, Hadith 1427 (FR)
Arabic reference (FR): Book 5, Hadith 1493 (FR)