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Bolstered T Rotation

The most accurate single-joint test for thoracic rotational mobility. A foam roller bolsters the top knee to prevent hip and lumbar compensation, isolating true thoracic rotation.

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Criteria to Pass

  • The knee and leg on the foam roller maintain contact with the roller throughout the rotation
  • 90-degree angles are maintained at the hip and knee
  • Both arms and shoulders reach flat on the ground in the open position