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  • Title: The effects of motor adaptation on ankle isokinetic assessments in older drivers.
    Author: Alonso AC, Brech GC, Ernandes RC, Rodrigues D, Ayama S, Canonica AC, Luna NMS, Santos SDS, Mochizuki L, Peterson M, Garcez-Leme LE, Greve JMD.
    Journal: Clinics (Sao Paulo); 2018 Jul 26; 73():e303. PubMed ID: 30066728.
    Abstract:
    OBJECTIVES: This study sought to analyze the extent of motor adaptation in ankle plantar flexors and dorsiflexors among older drivers during clinical isokinetic testing. METHODS: One hundred older adults (70.4±5.7 years) participated in two bilateral ankle plantar flexor and dorsiflexor isokinetic assessments at 30°/sec. Peak torque (PTQ), PTQ adjusted for body weight (PTQ/BW), and total work (TW) were analyzed. RESULTS: On the dominant side, PTQ/BW and TW were significantly greater for the second plantar flexion test than were those for the first such test (p<0.001), whereas PTQ, PTQ/BW, and TW (p<0.001) were significantly greater for the second dorsiflexion test than were those for the first such test. On the non-dominant side, plantar flexion PTQ and TW were significantly lower for the second test than were those for the first test (p<0.001). CONCLUSION: Older drivers demonstrated better performance with the dominant limb on the second test. The low variability in test execution showed the existence of a motor adaptation effect for the tested movements, despite the short recovery period between the assessments.
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