Publications by authors named "Yasumasa Oka"

Article Synopsis
  • Occupational health focuses on improving workers' well-being and productivity but faces challenges like increased physical capacity loss and musculoskeletal disorders leading to chronic pain.
  • A study targeting chronic musculoskeletal pain was conducted online with 1,946 participants across different age groups, examining pain prevalence and treatment methods.
  • Findings revealed that people in their 30s experienced higher chronic pain across multiple body sites, with about 50% of participants not using specific treatments when in pain.
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[Purpose] We compared differences in the association between respiratory muscle strength and static and dynamic balance in sarcopenia and non-sarcopenia groups, for fall risk assessment. [Participants and Methods] The study included 37 participants aged ≥65 years, who were certified to receive long-term care. Inspiratory and expiratory muscle strength, hand grip strength, Timed Up and Go Test scores, and one-leg standing task scores were recorded.

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[Purpose] In this study, we investigated the therapeutic effects of capacitive and resistive electric transfer therapy in patients with chronic low back pain. [Participants and Methods] The study included 24 patients with chronic low back pain (12 patients each in the intervention and sham groups). Pain intensity, superficial and deep lumbar multifidus stiffness and maximum forward trunk flexion and associated activation level of the iliocostalis (thoracic and lumbar component) and lumbar multifidus muscles were measured.

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Capacitive and resistive electric transfer (CRET) therapy is used to reduce pain and improve functional disability, and the effect on low back pain remains to be investigated. This study aimed to examine the immediate effect on the onset time of the muscles after irradiating CRET therapy for non-specific chronic low back pain (NSCLBP). Thirty patients with NSCLBP were randomly divided into an intervention group (n = 15) and a sham group (n = 15).

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[Purpose] This study aimed to compare the muscle activity around the foot and ankle joints, notably of the abductor digiti minimi, between affected and unaffected sides of individuals with chronic ankle instability. [Participants and Methods] Twelve adult males with chronic ankle instability in one ankle (age, 27.7 ± 5.

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