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  • Author: Edgar R. Vieira x
  • Athletic Training, Therapy, and Rehabilitation x
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Edgar R. Vieira and Helenice J.C.G. Coury

Context:

Research and clinical recordings of lumbar flexion demand practicable and precise methodology for quantifying variations.

Objective:

To describe and evaluate the parallel reliability of 2 methods of measuring lumbar fexion—perpendicular stick markers (SM) and the distanciometer (DM)—using an electrogoniometer (EGM) as reference.

Design:

Parallel measurement for reliability.

Setting:

Laboratory.

Participants:

25 healthy men.

Intervention:

Simultaneous measure of lumbar flexion at preestablished positions (0°, 15°, 30°, and 45°).

Outcome Measures:

Data from SM and DM, recorded simultaneously.

Results:

High parallel reliability was found when comparing the EGM data with the SM (r = .997; measurement error: 0.6° ± 0.7°; no differences: t-test P = .260) and with the DM (r = .962; measurement error: 2.8° ± 1.9°; no differences: t-test P = .973).

Conclusions:

Considering the reliability, practicability, and low cost of the described methods, they can be regarded as applicable and useful.