Hi, I'm Sarah Huggins with LIVESTRONG.COM. And today, I'm going to tell you about some leg exercises that won't hurt your hip flexors. Your his flexors your the inner hip muscles that lift your thigh bone and flex your knees. If these muscles are strained, some of the best leg exercises you can do are, isolating ones. The leg press, the leg extension, the hamstring curl, are all great machines you can use. I'm going to show how to do all of this. To use the leg press machine, sit in the machine with your knees bent at a 90 degree angle, feet, hip width apart and your toes are pointing straight. Push out on the plate, until your legs come out and your knees are just slightly bent. Pause for just a moment and then, let your knees come back into your chest. Pause again and then, repeat by pushing out. You're going to repeat this ten to fifteen times, take a rest and then, do two to three sets total. To use the leg extension machine, sit in the machine with your knees lined up next to the, usually there's a dot on the side. You're going to keep your feet flexed, extend your legs out, until they're pointed straight and then, come back in. Repeat this 10 to 15 times, take a rest in between sets and do two to three sets. To do the seated hamstring curl, sit in the machine with your knees next to the dot on the side. Flex your feet, curl it back, feeling the tension in your hamstrings and your glutes. And then, pause, then release your feet back out to straight and keep repeating this 10 to 15 times. You want your last two to three reps to be difficult but still doable. At the end of your set, rest for 30 seconds and then, repeat the exercise for two to three sets. I'm Sarah for LIVESTRONG.COM, and these are exercises for your legs that won't hurt your hip flexors.