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Titre : | Peripheral Nerve Function and Lower Extremity Muscle Power in Older Men (2014) |
Auteurs : | Rachel E. Ward ; Paolo Caserotti ; Kimberly Faulkner |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (2014/4, 2014) |
Article en page(s) : | p. 726-733 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Faiblesse musculaire ; Rééducation et réadaptation ; Sujet âgé |
Mots-clés: | Aged ; Motor neurons ; Motoneurones ; Muscle weakness ; Peripheral nerves ; Nerfs périphériques ; Sensation ; Sensory Receptor Cells ; Cellules réceptrices sensorielles |
Résumé : |
Objective To assess whether sensorimotor peripheral nerve function is associated with muscle power in community-dwelling older men. Design Longitudinal cohort study with 2.3+0.3 years of follow-up. Setting One clinical site. Participants Participants (n=372; mean age + SD, 77.2+5.1y; 99.5% white; body mass index, 27.9+3.7kg/m2; power, 1.88+0.6W/kg) at 1 site of the Osteoporotic Fractures in Men Study (N=5994). Interventions Not applicable. Main Outcome Measures A nerve function ancillary study was performed 4.6+0.4 years after baseline. Muscle power was measured using a power rig. Peroneal motor nerve conduction amplitude, distal motor latency, and mean f-wave latency were measured. Sensory nerve function was assessed using 10-g and 1.4-g monofilaments and sural sensory nerve conduction amplitude and distal latency. Peripheral neuropathy symptoms at the leg and feet were assessed by self-report. Results After adjustments for age, height, and total body lean and fat mass, 1 SD lower motor (β=−.07, P<.05 and sensory amplitude p monofilament insensitivity were associated with lower muscle power compared the effect of age on per year this was equivalent to aging years for motor detection detection. baseline predicted a greater decline in short-term change nerve function not concurrent> Conclusions Worse sensory and motor nerve function were associated with lower muscle power/kg and are likely important for impaired muscle function in older men. Monofilament sensitivity was associated with a greater decline in muscle power/kg, and screening may identify an early risk for muscle function decline in late life, which has implications for disability. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S0003999313012380 |