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Czy istnieje „idealna” pozycja siedząca? / Does „ideal” sitting position exist?

100%

Czaprowski D., Leszczewska J., Sitarski D.

Advances in Rehabilitation

2014

vol. 28

issue 3

47-54

Sedentary behavior is often mentioned as a factor of posture disorders and low back pain. Despite this fact modern man spends most of time in sitting position. Therefore, physiotherapists and physicians recommends many different sitting positions to prevent and treat negative effects of prolonged sitting in poor posture. Lack of unified guidelines of the best sitting posture is a topic of discussions. Because of negative consequences of sitting in slump posture such as stretched supraspinal ligaments and low back pain some recommendations suggest lordotic lumbar posture that decreases nucleus pulposus pressure, lesser compression load of anterior part of intervertebral disc and provides better shock absorption during movement. However, this position can be related to higher compression of intervertebral joints, increased back muscles activity and back discomfort. Therefore, several studies suggests sitting with slight flexion of the lumbar spine as it lead to even load distribution on intrvertebral disc and decreased compression of intervertebral joints. The analisys of many different studies and contradictory opinions shows that one ideal sitting posture doesn’t exist. Sitting position should be chosen individually in regard to the inter-individual characteristics of musculoskeletal system. It worth also noting that every position (lordotic or kyphotic) maintained for a prolong time leads to discomfort and soft tissue symptoms.

Using smartphones in the evaluation of spinal curvatures in a sagittal plane

88%

Waś J., Sitarski D., Ewertowska P., Bloda J., Czaprowski D.

2020

vol. 30

issue 4

29-38

Introduction In physiotherapeutic diagnostic processes, various tools and methods may be used. However, price and availability may limit their daily use in clinical practice. Therefore, the suggestion that smartphones with specific applications may be useful as diagnostic tools can be found in the literature. However, before using them in clinical practice, it is important to verify their reliability. The aim of the study was to evaluate the consistency of measurements of the curvatures in the sagittal plane performed with the Saunders digital inclinometer and a smartphone application. Material and methods The study included 40 subjects aged 22-39 years (23.0 ± 3.7). All subjects had sagittal spinal curvatures (sacral slope - SS, lumbar lordosis - L, thoracic kyphosis - K, upper thoracic kyphosis - K1, lower thoracic kyphosis - K2) measured in both standing and sitting positions with the Saunders digital inclinometer and a smartphone application. Results In measurements performed with the use of the Saunders inclinometer and the smartphone, no significant differences were found between the size of the curvatures of the spine in a standing position (SS 19o ±8.2 vs. 17o ±8.4 p=0.3; L 32o ±11.1 vs. 29o ±10.3 p=0.2; K 43o ±8.4 vs. 41o ±8.1 p=0.2; K1 31o ±7.2 vs. 29.0 o ±7.3; K2 11o ±7.4 vs. 11.0 o ±6.7) and a sitting position (SS 3.75o ±8.9o p=0.8; L 5.8o ±9.06 vs. 5.2o ±8.5 p=0.75; K 40.0o ±8.1 vs. 36.7o ±7.9 p=0.6; K1 25.8o ±7.1 vs. 24.9 o ±7.1; K2 14.5o ±9.9 vs. 11.5 o ±9.4). Conclusions The examination of spinal curvatures in the sagittal plane using Saunders digital inclinometer and a smartphone application allows researchers to obtain reliable results. Therefore, smartphones can be used for an objective evaluation of the musculoskeletal system in daily clinical practice.

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2 Advances in Rehabilitation

1 2020

1 2014

2 Czaprowski D.

2 Sitarski D.

1 Bloda J.

1 Ewertowska P.

1 Leszczewska J.

1 Waś J.

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Czy istnieje „idealna” pozycja siedząca? / Does „ideal” sitting position exist?

Using smartphones in the evaluation of spinal curvatures in a sagittal plane