If your iliopsoas muscle contracts on only one side of your body, it works to assist in lateral flexion, or side-bending, of your lower spine ... Knowing the anatomy of this muscle can help ...

The lumbar spine includes the five vertebrae in your lower ... vertebrae, muscle, and ligaments of your lumbar spine. The lumbar area of the spine is the physical center of the body.

But you don't have to be an athlete to strain your calf muscles. You're also at a higher risk if your body mass index (BMI) is over 25. Carrying extra weight can put added pressure on your lower ...