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Predictability and complexity of fine and gross motor skills in fibromyalgia patients: a pilot study
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Advisor(s)
Abstract(s)
Background: Fine and gross motor tasks are usually used to evaluate behavioral dysfunctions
and can be applied to diseases of the central nervous system, such as fibromyalgia (FM).
Non-linear measures have allowed for deeper motor control analysis, focusing on the process and
on the quality of movement. Therefore, to assess uncertainty, irregularity, and structural richness
of a time series, different algorithms of entropy can be computed. The aim of this study was to
(i) verify the single-scale and multiscale entropy values in fine and gross motor movements and (ii) to
verify whether fine and gross motor tasks are sensitive to characterizing FM patients. Methods: The
sample consisted of 20 females (46.2 ± 12.8 years) divided in two groups, an experimental group
with 10 FM subjects and a control group with 10 subjects without FM. Inertial sensors were used
to collect the finger tapping test (FTT), walking, and sit-and-stand task data. Results: Regarding
fine motor skills, patients with FM showed a loss of structural richness (complexity), but they had
information processing with greater control in the FTT, probably to simplify task execution and for
correction of the movement. On the other hand, people without FM seemed to have more automatic
control of the movement when performed with the preferred hand and exhibited similar difficulties
to the FM group when performed with the non-preferred hand. Gross motor tasks showed similar
entropy values for both groups. Conclusions: The results show that FM patients have movement
controls primarily at the level of the motor cortex, whereas people without FM perform movement at
the medullary level, especially in fine motor tasks, indicating that the FTT is sensitive to the presence
of FM, especially when performed with the preferred hand.
Description
Keywords
fibromyalgia fine motor control gross motor control entropy single scale multiscale IMU
Citation
Brígida, N.; Catela, D.; Mercê, C.; Branco, M. (2024). Predictability and complexity of fine and gross motor skills in fibromyalgia patients: a pilot study. Sports, 12,(4), 1-14. https://doi.org/10.3390/sports12040090
Publisher
MDPI