Friday, Dec 13 Level 5 Difficulty

Published: Dec. 12, 2013, 8:13 p.m.

Friday the 13th warrants a real butt kicking workout, don't you think? We do - so we are sticking to the moves we have been doing all week but adding the most challenging versions to the series in order to push you harder and keep you stronger on this spooky day. Enjoy and don't forget to check our facebook page for other gym free tips and ideas: facebook.com/inshapefitnessnyc