Yoga poses for tight hip flexors. The hip flexors are a group of muscles that join the legs to the torso. When you lift your knees and move them closer to your body your are using your hip flexors. If you are spending extended periods of time sitting in a chair these muscles can become used to remaining in a shorted state. Over time this can lead towards a more permanent tightness that can negatively impact on your pelvis, spine and overall posture. It is very common for students to ask their yoga teacher for some specific poses that help to lengthen the hip flexor muscles. This class features a short sequence of nine yoga poses that target your hip flexors and help to improve their mobility. It will also help to loosen tight quadriceps. In addition to combatting the negative impact of a sedentary lifestyle this type of class will also be beneficial for runners and athletes.