Si vostè vol aconseguir esquinçat, Refineria 29 has you covered. They've created a 30 day ab challenge that is sure to get you feeling fit. Here's what you need to do:
Si no estàs segur què suposen entrenaments, aquí és l'avaria:
1 Bird Dogs
2 morts errors
3 Knee-to-Nose
4 Leg Lowers
Are you going to challenge yourself to complete these workouts?
