Ali Molouki, Mohsen Abedi, Mohammad Mohsen Roostayi, Mobina Khosravi, Mehdi Rezaei

Comparison between patients with COPD and healthy subjects on spatiotemporal, moment and kinematic parameters: A quasi‐experimental study

  • General Medicine

AbstractBackground and AimsChronic obstructive respiratory diseases (COPD) not only cause damage to the respiratory system as well as the heart and blood vessels of the patient but also have a direct effect on the condition of the musculoskeletal system. The risk of falling is increasing due to dysfunction of the joints as well as aging, which occurs frequently in this population. Gait deficits are known as an important risk factor for falls. This research aimed to investigate the gait of COPD patients compared to healthy people to gain a better understanding of the reasons for falls.MethodsTwenty patients with COPD and 20 age and BMI‐matched healthy individuals were included in this study. Sixteen markers were applied to the lower body of the subjects. Spatio‐temporal, kinematic, and maximum moment parameters were measured in different phases in three lower body joints, including the hip, knee, and ankle.ResultsThe results showed that all spatio‐temporal parameters in patients were significantly lower than in healthy people. The ankle angle in the sagittal plane at initial contact was significantly difference (p = 0.03). As well as, in the frontal plane the hip angle in the mid‐stance showed a significant difference (p = 0.02). There was also a significant difference in maximum hip moment in the sagittal plane between the two groups (p = 0.01).ConclusionThe larger hip angle of the patients can be related to the balance problems in the mediolateral direction. The moment showed a significant difference in the hip joint. Since the hip muscles are directly in a synergistic relationship with the trunk muscles, it seems the performance of these muscles is likely to be seriously damaged due to respiratory diseases.

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