Study on Optimal Height of Newborns Bathtub to Reduce Physical Workload

Matsui, M; Muramoto, Junko; Hasegawa, Tomoyuki; Inukai, Sayuri; Saito, Shin; Misawa, Tetsuo

doi:10.5100/jje.55.239

Cited by 1 publication

(4 citation statements)

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“…We found that the easyworking-height at the AH bed was 90 cm or higher. This easy-working-height represented 54.4% of the subjects' body height for the massage task and that was 52.8% for the ROM task, which were similar to a previously reported optimal bathtub height of 57.7% 14) when children's nurses bathed a baby. These values almost correspond the height of the center of mass in adult male, 55.5% 21) .…”

Section: Discussionsupporting

confidence: 87%

“…In this study, the burden on the shoulders did not differ depending on the bed height, but on the other hand, it considered that the presence or absence and size of the load greatly affected the burden on the shoulder. The burden on the shoulders may have been greater if a bed higher than the adjustable bed had been used 14 ) , although this point was not evaluated this time. In other words, the beds used in this study may have been adjusted to a height that would not result in an excessive arm lift.…”

Section: Discussionmentioning

confidence: 99%

“…Notably, compression and anterior/posterior shear loading at the L5/S1 level during sling and removal have been found to significantly decrease in magnitude as bed height increases 13 ) . Another study 14 ) reported that raising the bathtub decreased erector spinae muscle activity and intervertebral disc compression forces, while increasing trapezius muscle activity and shoulder moments, and increasing the burden on the shoulders and upper limbs. However, few studies explore the physical burden that occurs during manual therapy by physiotherapists.…”

Section: Introductionmentioning

confidence: 98%

“…These studies have confirmed that manual therapy is a matter of great interest. Some studies have examined the relationship between physical burden and bed heights or working heights in manual patient handling tasks as nurses [12][13][14] . The use of adjustable beds in nursing practice can influence the working postures of personnel and reduce task demands 12) .…”

Section: Introductionmentioning

confidence: 99%

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Effects of different bed heights on the physical burden of physiotherapists during manual therapy: an experimental study

et al. 2023

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This study aimed to determine the effect of physiotherapists’ physical burden caused by different bed heights during manual therapy. Thirty-three male physiotherapists performed tasks simulating lumbar massage and passive hip abduction range-of-motion exercise (ROM) on the beds with low height (LH) and adjusted height (AH), with each task performed three times. The anterior inclination angle of the physiotherapist’s trunk was measured, the surface electromyograms of the erector spinae and trapezius muscles were recorded, and perceived stress was assessed. The indexes obtained were statistically compared for different bed heights. Additionally, the lumbar disc compression force and flexion torque were estimated. The lumbar burden caused by the excessive bending and the biomechanical burden and perceived stress were stronger at LH than AH. In ROM tasks using the right hand, the muscle activity was lower at the left lumbar region at LH than at AH. At LH, the anterior inclination angle increased and the lumbar muscle activity declined as the number of tasks increased. The burden on the shoulders was not significantly different by bed heights. Our results showed that, when physiotherapists perform manual therapy, it is necessary to adjust the bed height to reduce physical burden and ensure higher quality of service.

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Section: Discussionsupporting

confidence: 87%

Section: Discussionmentioning

confidence: 99%