Do you feel pain in your lower back when trying to get up in the morning? Or anytime you try to stand up? This article may just be for you! Let’s start by introducing a major muscle in the pelvic and lower back region, the strongest hip flexor of the human body: the Psoas! This muscle is bilateral and connects the lower 6 vertebrae of the spine to the femurs. When it contracts it brings the leg up towards the trunk, or vice versa. When we do abdominal exercises bringing the u