The Thomas Test measures hip flexor length and distinguishes tightness between one joint and two joint muscles. Hip flexor length directly correlates to the available range of motion at the hip and knee joints.

What does a positive Thomas Test mean? The Thomas test positive if the thigh is raised off the surface of the table. A positive test indicates a decrease in flexibility in the rectus femoris or iliopsoas …

The Thomas test is used to rule out hip flexion contracture and psoas syndrome. Often associated with runners, dancers, and gymnasts who complain of hip stiffness when flexing at the waist.

Instruct the patient to hold one knee as you passively extend and lower the hip to be tested. If the tested leg does not reach the table, the test is considered positive for hip flexor shortness.

To perform the test, the patient lies on his or her back. The patient is asked to pull the non-testing leg toward the chest until the bulge in the lumbar spine smoothes out. The test is positive when the …

Jul 3, 2025 · This article will review the purpose of the Thomas test, how to perform it correctly, what the results indicate, and how to apply the findings in clinical decision-making.

Sometimes, with a very flexible patient, the Thomas test will be normal despite a psoas dysfunction being present. However, in the patient with a normal hip joint, a positive test is a good indicator of …

Dec 17, 2024 · In this article, we will cover the Thomas test’s description, how it’s performed, its purpose, and, finally, provide guidance on how to interpret test results (i.e., what constitutes a …

Aug 4, 2025 · A “positive” Thomas Test suggests hip flexor tightness, with specific observations indicating which muscles are shortened. If the extended thigh lifts off the table, it points to tightness …

Named after British orthopedic surgeon Hugh Owen Thomas (1834-1891), this simple yet effective test has become a cornerstone of musculoskeletal assessment in clinical practice.