The hip flexor is a group of several muscles that allow you to bend at the waist and lift your knees. Since we spend a lot of time sitting down, those muscles are often tight and may even be shortened. Stretching your hip flexors properly and regularly keeps your hips and lower back strong, flexible and well aligned. www.spotebi.com/...

The hip flexor is a group of several muscles that allow you to bend at the waist and lift your knees. Since we spend a lot of time sitting down, those muscles are often tight and may even be shortened. Stretching your hip flexors properly and regularly keeps your hips and lower back strong, flexible and well aligned. www.spotebi.com/...

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