You most likely did a push-up at some stage in your life before beginning CrossFit, but you may not have done the full spectrum of motion pushups we use in CrossFit. Your arms should be absolutely straight at the top, and your chest should be in touch with the ground at the bottom.
1 min Pull-Ups 1 min Air Squats 1 min Kettlebell Swings (24/16 kg) 1 min Double-Unders 1 min Push-Ups 1 min Sit-Ups 1 min Lunges (40/20 kg) 1 min Strict Presses (30/15 kg) 1 min Mountain Climbers 1 min Dumbbell Push Pressses (20/10 kg) 1 min Box Jumps (24/20 in) 1 min Shuttle Runs (10 m) 1 min Wall Ball Shots (9/6 kg) 1 min Ball Slams (9/6 kg) 1 min Burpees 1 min Bench Presses (50/35 kg) 1 min Deadlifts (80/60 kg) 1 min Wall Sit 1 min Plank Hold 1 min Rope Climbs (15 ft) 1 min Toes-to-Bars 1 min Dumbbell Snatches (25/15 kg)
Then 5 rounds of: 40 Ball Slams (20/15 kg) 2 Tuck Jumps 40 Pull-Ups 40 Power Cleans (40/60 kg) 40 Push-Ups 40 Shoulder-to-Overhead (40/60 kg) 100 meter Run