The Thomas Test is an orthopedic assessment for passive hip flexor length. But the test can become the exercise and can serve as a beneficial hip flexor lengthening exercise. For those with lower back, sacroiliac and even hip pain, this position can often provide safe, therapeutic benefits.

Because this is a passive stretch done while supported on a table or bench, you can completely relax into it without worrying about stabilizing your body. For many people, this exercise not only provides an effective lengthening of the hip flexors, but may also provide symptomatic relief.

In this video, we show you the nuances to getting the most out of this exercise with the set up and modifications.