Ever wonder how many sets and repetitions of an exercise you should perform? Mike O’Hara, PT helps answer this question in his article “Old School Effective”. Jeff Tirrell discusses the importance of changing only one element of your fitness program at a time in order to determine its effective in “Be The Tortoise”. Exercise description and demonstration of single leg hip hinges are included in “One Leg At A Time”. Don’t forget to check out the youtube video that goes with the article.