TY - JOUR
T1 - Postural control learning dynamics in Parkinson's disease
T2 - early improvement with plateau in stability, and continuous progression in flexibility and mobility
AU - Rahmati, Zahra
AU - Behzadipour, Saeed
AU - Schouten, Alfred C.
AU - Taghizadeh, Ghorban
AU - Firoozbakhsh, Keikhosrow
PY - 2020/5/11
Y1 - 2020/5/11
N2 - BACKGROUND: Balance training improves postural control in Parkinson's disease (PD). However, a systematic approach for the development of individualized, optimal training programs is still lacking, as the learning dynamics of the postural control in PD, over a training program, are poorly understood. OBJECTIVES: We investigated the learning dynamics of the postural control in PD, during a balance-training program, in terms of the clinical, posturographic, and novel model-based measures. METHODS: Twenty patients with PD participated in a balance-training program, 3 days a week, for 6 weeks. Clinical tests assessed functional balance and mobility pre-training, mid-training, and post-training. Center-of-pressure (COP) was recorded at four time-points during the training (pre-, week 2, week 4, and post-training). COP was used to calculate the sway measures and to identify the parameters of a patient-specific postural control model, at each time-point. The posturographic and model-based measures constituted the two sets of stability- and flexibility-related measures. RESULTS: Mobility- and flexibility-related measures showed a continuous improvement during the balance-training program. In particular, mobility improved at mid-training and continued to improve to the end of the training, whereas flexibility-related measures reached significance only at the end. The progression in the balance- and stability-related measures was characterized by early improvements over the first 3 to 4 weeks of training, and reached a plateau for the rest of the training. CONCLUSIONS: The progression in balance and postural stability is achieved earlier and susceptible to plateau out, while mobility and flexibility continue to improve during the balance training.
AB - BACKGROUND: Balance training improves postural control in Parkinson's disease (PD). However, a systematic approach for the development of individualized, optimal training programs is still lacking, as the learning dynamics of the postural control in PD, over a training program, are poorly understood. OBJECTIVES: We investigated the learning dynamics of the postural control in PD, during a balance-training program, in terms of the clinical, posturographic, and novel model-based measures. METHODS: Twenty patients with PD participated in a balance-training program, 3 days a week, for 6 weeks. Clinical tests assessed functional balance and mobility pre-training, mid-training, and post-training. Center-of-pressure (COP) was recorded at four time-points during the training (pre-, week 2, week 4, and post-training). COP was used to calculate the sway measures and to identify the parameters of a patient-specific postural control model, at each time-point. The posturographic and model-based measures constituted the two sets of stability- and flexibility-related measures. RESULTS: Mobility- and flexibility-related measures showed a continuous improvement during the balance-training program. In particular, mobility improved at mid-training and continued to improve to the end of the training, whereas flexibility-related measures reached significance only at the end. The progression in the balance- and stability-related measures was characterized by early improvements over the first 3 to 4 weeks of training, and reached a plateau for the rest of the training. CONCLUSIONS: The progression in balance and postural stability is achieved earlier and susceptible to plateau out, while mobility and flexibility continue to improve during the balance training.
KW - Learning dynamics
KW - Parkinson’s disease
KW - Pattern of improvement
KW - Postural control model
KW - Stability and flexibility degree
UR - http://www.scopus.com/inward/record.url?scp=85084587276&partnerID=8YFLogxK
U2 - 10.1186/s12938-020-00776-1
DO - 10.1186/s12938-020-00776-1
M3 - Article
C2 - 32393271
AN - SCOPUS:85084587276
VL - 19
JO - BioMedical Engineering Online
JF - BioMedical Engineering Online
SN - 1475-925X
IS - 1
M1 - 29
ER -