of thighs), hip adductors (inner thighs) and ITB are also considered 'core' muscles.This lot need to be strong but flexible; running may make you strong, but definitely not flexible. Running is the 'ying' to yoga's 'yang'; complementary opposites, and Bikram
http://www.yogajournal.com/poses/486Muscles worked: Hip flexors, quads, adductors, lower back.How to do it:1. Begin with your legs stretched out in front of you. You can use a yoga block or sit on a folded towel or blanket if your hips and groins