It's time to get on the floor and attack the back of our arms (tricep muscles)
How to: Start off in a seated position as shown in the picture. You want to slowly lean back bending at the elbows and then return to your starting position. Try to avoid your elbows bending outwards, but rather behind you. Too easy? Try lifting your bottom off the floor and extending one leg out!!
Now you: Let's see how many reps you can do in 1-minute. Take a 10-sec break and then repeat the sequence for another 2 rounds.