C4

Limb Deficiency - Single below knee amputation, with the use of prosthesis; or - Single below knee amputation with the use of prosthesis + Single below elbow amputation; or - Double below elbow amputation.

Muscle Power/ Passive Range of Movement (ROM) - Loss of function comparable to limb deficiency profiles above. - Limited ROM of the hip or knee such that a normal functional full revolution of the crank is not possible without use of adaptation such as crank length.

Hypertonia - Spasticity grade 1 in impaired lower limb(s); - Spasticity grade 1 in impaired upper limb; - Hypertonia on activity can be seen.

Ataxia - Shows intermittent and mild or subtle signs of Ataxia.

Athetosis/Dystonia - Intermittent signs of Athetosis/Dystonia with moderate to mild intensity of posturing or amplitude of movement.