56 YEARS OLD WITH 50+ POUNDS TO LOSE, DIABETIC, BAD INJURIES TO KNEES, BULGING DISC MID BACK. DOCTOR SAID TO LOSE WEIGHT ON A LOW CARB DIET, SO I'M DOING MY HOME WORK NOW AND STARTING TODAY. USE TO LOVE TO HIKE WITH MY DOG, WHILE SIMULTANEOUSLY MUSHROOM HUNTING. DOG HAD BONE CANCER AND IS NO LONGER. KNEES ARE BOTH SHOT, SO I'M LIMITED IN HOW LONG I CAN HIKE OR WALK. I USE A CANE, KNEE BRACES, AND WALKING STICKS. HAVE 2 NEW DOGS; 1 YEAR OLD FULL SIZE AUSTRALIAN SHEPHERDS, BROTHERS. NOT TRAINED FOR WALKING YET. FIND IT HARD TO STAY ACTIVE WITH PHYSICAL LIMITATIONS.