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What do the results of the Thomas Test help determine?

  1. The overall strength of the lower body

  2. The length of the hip flexor muscles

  3. The flexibility of the hamstrings

  4. The endurance of core muscles

The correct answer is: The length of the hip flexor muscles

The results of the Thomas Test specifically help determine the length of the hip flexor muscles. This test assesses the flexibility and tightness of the iliopsoas group of muscles, which includes the psoas major and iliacus. When performing the Thomas Test, if the thigh cannot maintain contact with the table and lifts off the surface, it indicates that the hip flexors are tight, suggesting reduced muscle length. This assessment is crucial for identifying limitations that can affect overall movement patterns, such as hip extension and lumbar spine positioning during various activities. By knowing the flexibility status of the hip flexors, a personal trainer can tailor stretching and strengthening programs to address any issues and improve an individual's overall mobility and functional performance.