Purpose: The aims of this study were to describe the changes of passive range of motion (PROM) over 2-month period for lower extremity joints and to identify potential risk factors in nursing home residents. Methods: Forty-eight nursing home residents who were able to participate in at least two evaluation sessions within 2 months were recruited (mean age=70.5 years old; 28 males, 20 females). The following data were collected from each resident: demographic characteristics; mobility status(Postural Assessment Scale for Stroke patients); physical examination(pain status, muscle tone, strength, timed up and go test, BarthelIndex, etc.); duration of physical therapy interventions (min); passive joint ranges (degree) of bilateral hip, knee and ankle flexion and extension. The passive ranges of motion were measured again two months later. Results: The PROMs of the hip flexion, hip extension, knee extension and ankle dorsiflexion decreased significantly over two months (p<0.05). The occurrence of hip flexion range deterioration is higher if it was the sound side (odds ratio=1.057;95%CI 1.012 to 1.104) and had a higher baseline PROM (odds ratio=2.678;95%CI 1.063 to 6.744). The occurrence of hip extension range deterioration is higher if the subject had higher scores in PASS (odds ratio=1.090;95%CI 1.021 to 1.163). The occurrence of knee extension range deterioration is higher if it had higher resistance to passive joint motion (odds ratio=1.357;95%CI 1.091 to 1.689) and the subject had length of disease onset less than one year (odds ratio=0.191;95%CI 0.049 to 0.740). The occurrence of ankle dorsiflexion range deterioration is higher if it had abnormal muscle tone over ankle plantarflexor (odds ratio=3.619; 95%CI 1.025 to 12.770). The occurrence of ankle plantarflexion range deterioration is higher if it had a higher baseline PROM (odds ratio=1.083; 95%CI 1.023 to 1.147). Conclusions: Nursing home residents demonstrated significant deteriorations in lower extremity joints PROM in as short as 2 months duration. Being the sound side, having a better baseline range of motion, having better bed mobility, having increased resistance to PROM, or onset of major diseases within 1 year are main risk factors for joint range deteriorations.
Purpose: The aims of this study were to describe the changes of passive range of motion (PROM) over 2-month period for lower extremity joints and to identify potential risk factors in nursing home residents. Methods: Forty-eight nursing home residents who were able to participate in at least two evaluation sessions within 2 months were recruited (mean age=70.5 years old; 28 males, 20 females). The following data were collected from each resident: demographic characteristics; mobility status(Postural Assessment Scale for Stroke patients); physical examination(pain status, muscle tone, strength, timed up and go test, BarthelIndex, etc.); duration of physical therapy interventions (min); passive joint ranges (degree) of bilateral hip, knee and ankle flexion and extension. The passive ranges of motion were measured again two months later. Results: The PROMs of the hip flexion, hip extension, knee extension and ankle dorsiflexion decreased significantly over two months (p<0.05). The occurrence of hip flexion range deterioration is higher if it was the sound side (odds ratio=1.057;95%CI 1.012 to 1.104) and had a higher baseline PROM (odds ratio=2.678;95%CI 1.063 to 6.744). The occurrence of hip extension range deterioration is higher if the subject had higher scores in PASS (odds ratio=1.090;95%CI 1.021 to 1.163). The occurrence of knee extension range deterioration is higher if it had higher resistance to passive joint motion (odds ratio=1.357;95%CI 1.091 to 1.689) and the subject had length of disease onset less than one year (odds ratio=0.191;95%CI 0.049 to 0.740). The occurrence of ankle dorsiflexion range deterioration is higher if it had abnormal muscle tone over ankle plantarflexor (odds ratio=3.619; 95%CI 1.025 to 12.770). The occurrence of ankle plantarflexion range deterioration is higher if it had a higher baseline PROM (odds ratio=1.083; 95%CI 1.023 to 1.147). Conclusions: Nursing home residents demonstrated significant deteriorations in lower extremity joints PROM in as short as 2 months duration. Being the sound side, having a better baseline range of motion, having better bed mobility, having increased resistance to PROM, or onset of major diseases within 1 year are main risk factors for joint range deteriorations.
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