SS1 is a Les Autres sport classification is an ambulatory class for people with short stature.
Eligible males have a standing height and arm length that added together are equal to or less than 180 centimetres (71 in).
Eligible female have a standing height and arm length that added together are equal to or less than 173 centimetres (68 in).
Internationally, governance for this sport is handled by IWAS, following the 2005 merger of ISMWSF and ISOD.
Sports people in this class are eligible to participate in include archery, athletics, swimming, powerlifting and para-equestrian.
In the United Kingdom, this is the British Amputee and Les Autres Sports Association.
This classification guide would be put into effect following the closing ceremony of the 2012 Summer Paralympics.
As they get up to speed, this movement causes turbulence which slows them down and they need additional strokes to compensate.
Grade 1 is typically for people with cerebral palsy, les autres and spinal cord injuries who have severe levels of disability.