Portable exercise device and system

A portable exercise device for user to perform sit-up exercises, the portable exercise device comprising:

• a base member comprising a pair of base portions foldably coupled to each other, and a pedal portion coupled on top of each of the base portions, each pedal portion adapted to receive a foot of the user for enabling the user to perform the sit-up exercises;
• a pair of strap members coupled to the pair of base portions in a manner such that a strap member extends over each pedal portions for securing a foot of the user to each pedal portion;
• a pair of support members adapted to be removably coupled at end portions of each pedal portion, the pair of support members adapted to support heel portions of the feet of the user received on each pedal portion;
• and
• a counting unit foldably mounted on the base member, the counting unit comprising
• a timer adapted to determine a period of the sit-up exercises performed by the user,
• at least one pressure sensor coupled to at least one pedal portion, the at least one pressure sensor adapted to determine a pressure applied by foot of the user on the pedal portion while performing the sit-up exercises, and
• a counter operatively coupled to the at least one pressure sensor for determining a number of the sit-up exercises performed by the user based on the pressure determined by the at least one pressure sensor;
• and
• a mat adapted to be positioned in the vicinity of the portable exercise device for supporting a back portion of the user thereon while performing the sit-up exercises.