Challenge Completed - 620 reps on December 28

So this is my first entry for @steemmatt and his daily rep challenge.
After a 6 month break from the gym it's great to be back, the last 3 weeks I have been working on getting back to where I was before my break.
Muscle memory is a great thing have bounced back really quickly.

5 sets @ 12 reps - Chest fly machine
5 sets @ 12 reps - Seated chest press machine
5 sets @ 12 reps - Cable fly chest
5 sets @ 8 reps - Heavy incline chest press
5 sets @ 12 reps - Seated abs crunch machine
5 sets @ 12 reps - Oblique crunches using cable
5 sets @ 12 reps - Cable chest raise
5 sets @ 12 reps - Free weight chest raise super set with cable chest raise
5 sets @ 8 reps - Cable ab crunches
Now the next 2 exercises I have no idea what they called, so ill describe them. Maybe someone on here knows :)

5 sets @ 12 reps - laying down on yoga mat, lift upper torso off the ground and throw medicine ball in air and catch. Keeping upper torso off the ground the whole set so core is activated.

5 sets @ 12 reps - laying on yoga mat with medicine ball and arms above head, lift legs off ground about 15 cms then bring hands and knees together to perform a crunch and back to starting position. the whole time legs never touch ground.

Well next up is arms and legs, I will if one of the lads can take a pic of me. Will be good to see how I progress over the challenge.