Switch up your clients workouts by using the date for how many reps will be performed.
Example Date: 10/15/11
Kettlebell swing x10
Dumbell curl x15
TRX Crunch x11
Thank you to my client Jade! She is a 34 yr old, mother of 3 boys, and she kicks butt like this 3 days a week with me. she never ceases to amaze me--she is one reason why I love my job!!