An articulated wheelchair (1,2,3,4,5,6,7) endowed with dynamic hardware solutions in order to increase sitting tolerance, decrease discomfort and pressure on the user and to prevent damage to the chair during user's muscular spasms, wherein the articulated wheelchair comprises: a. a modular frame, suitable for different anthropometric sizes; b. a footrest (30,34,35,36,37) which can rotate between an initial position and a rotated position in order to allow the flexion and the extension of the ankle, wherein leaf springs move the footrest back in the initial position, the footrest being further configured to slide between a rest position and an extended position to allow the user to push the feet downwards, wherein the footrest is endowed with a gas spring to return the footrest to the rest position; c. a leg rest (28,29,31,32,33), that can rotate in order to allow the flexion and the extension of the leg around the knee joint; d. a seat pan (18,19,20,21,22,23,24,25,26,27) which can rotate in order to allow extension of the thigh around the knee; e. a backrest (14,15,16,17) which can rotate, preferably at the hip level, between an initial position and a rotated position in order to allow the extension of the user's back, wherein the backrest is endowed with a gas spring to return the backrest in the initial position; f. a headrest (8,9,10,11,12,13) configured to slide between a rest position and a compressed position for supporting a head during a spasm causing a neck extension and bringing the head back in its initial position when the spasm ends, the headrest being endowed with a gas spring to return the headrest to the rest position; and g. an adjustable seat belt moving along the seat pan in order to comfortably tie the user's bottom to the seat pan itself. a. a modular frame, suitable for different anthropometric sizes; b. a footrest (30,34,35,36,37) which can rotate between an initial position and a rotated position in order to allow the flexion and the extension of the ankle, wherein leaf springs move the footrest back in the initial position, the footrest being further configured to slide between a rest position and an extended position to allow the user to push the feet downwards, wherein the footrest is endowed with a gas spring to return the footrest to the rest position; c. a leg rest (28,29,31,32,33), that can rotate in order to allow the flexion and the extension of the leg around the knee joint; d. a seat pan (18,19,20,21,22,23,24,25,26,27) which can rotate in order to allow extension of the thigh around the knee; e. a backrest (14,15,16,17) which can rotate, preferably at the hip level, between an initial position and a rotated position in order to allow the extension of the user's back, wherein the backrest is endowed with a gas spring to return the backrest in the initial position; f. a headrest (8,9,10,11,12,13) configured to slide between a rest position and a compressed position for supporting a head during a spasm causing a neck extension and bringing the head back in its initial position when the spasm ends, the headrest being endowed with a gas spring to return the headrest to the rest position; and g. an adjustable seat belt moving along the seat pan in order to comfortably tie the user's bottom to the seat pan itself.