Intracortical and Interhemispheric Inhibition in Stroke Patients…Toshiyuki FUJIWARA, Kaoru HONAGA 165

Motor-evoked Potentials and Therapy in Hemiplegic Stroke Patients…Seiji ETOH 170

Effect of Short Interval Intracortical Inhibition on Muscle Fatigue and Motor Learning…Atsuo MARUYAMA 174

Repetitive Transcranial Magnetic Stimulation (rTMS) and Neuroplasticity…Kaoru MATSUNAGA, Ryoji NAKANISHI, Nobuki MURAYAMA, Yuki HAYASHIDA 180

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Theory and Practice of Constraint-induced Movement Therapy…Kazuhisa DOMEN 184

Intensive Repetition of Facilitation Exercises…Megumi SHIMODOZONO 188

Robot-assisted Therapy for Hemiplegic Arms after Stroke…Satoru SAEKI, Yuko KANESHIRO, Akiko HACHISUKA, Taiji ODA, Noriaki KATO, Yasuyuki KATO, Kenji HACHISUKA 192

Neurorehabilitation with a Novel Application of Functional Electrical Stimulation…Yukihiro HARA 196

Transcranial Magnetic Stimulation…Katsunori IKOMA 202

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We investigated the recovery time of walking ability after total knee arthroplasty (TKA) and patient's background : age at the operation time, gender, BMI, the affected joints (single or bilateral), assessment criteria for the evaluation of osteoarthritis of the knee (JOA score), and surgical approach. We examined predictors of walking ability recovery time after TKA. There were 88 knees operated on in 67 patients (7 men and 60 women) using TKA in our institution. The causes of disease were osteoarthritis (OA) in 80 knees and spontenous osteonecrosis (ON) in 8 knees. We investigated the period required to be able to walk using parallel bars, to walk with a T cane and to go up and down stairs with a handrail. The period required to be able to walk with parallel bars averaged 5.7 days post operation ; to walk with a T cane averaged 16.1 days, and to go up and down stairs required an average of 22.9 days. In conclusion, the factors that significantly influenced the postoperative walking ability recovery period were the affected joints (single or bilateral), age at operation, surgical approach and preoperative JOA score.

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