Interlimb Coordination During Step-to-Step Transition and Gait Performance

Sousa, Andreia S. P.; Tavares, João Manuel R. S.

doi:10.1080/00222895.2015.1023391

Cited by 21 publications

(13 citation statements)

References 156 publications

(221 reference statements)

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“…We believe that there are advantages to both types of paradigms – stopping the transfer limb from moving during training provides a “cleaner” theoretical test of transfer (since the transfer limb can only learn from the training limb). On the other hand, paradigms in which both limbs are allowed to move during training have a more direct functional relevance for gait rehabilitation, where participants have to relearn functional tasks such as walking that require coordination between both limbs [40–43]. …”

Section: Discussionmentioning

confidence: 99%

Interlimb transfer of motor skill learning during walking: No evidence for asymmetric transfer

2017

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Several studies have shown that learning a motor skill in one limb can transfer to the opposite limb–a phenomenon called as interlimb transfer. The transfer of motor skills between limbs, however, has shown to be asymmetric, where one side benefits to a greater extent than the other. While this phenomenon has been well-documented in the upper-extremity, evidence for interlimb transfer in the lower-extremity is limited and mixed. This study investigated the extent of interlimb transfer during walking, and tested whether this transfer was asymmetric using a foot trajectory-tracking paradigm that has been specifically used for gait rehabilitation. The paradigm involved learning a new gait pattern which required greater hip and knee flexion during the swing phase of the gait while walking on a treadmill. Twenty young adults were randomized into two equal groups, where one group (right-to-left: RL) practiced the task initially with the dominant right leg and the other group (left-to-right: LR) practiced the task initially with their non-dominant left leg. After training, both groups practiced the task with their opposite leg to test the transfer effects. The changes in tracking error on each leg were computed to quantify learning and transfer effects. The results indicated that practice with one leg improved the motor performance of the other leg; however, the amount of transfer was similar across groups, indicating that there was no asymmetry in transfer. This finding is contradictory to most upper-extremity studies (where asymmetric transfer has been reported) and points out that both differences in neural processes and types of tasks may mediate interlimb transfer.

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Section: Discussionmentioning

confidence: 99%

Interlimb transfer of motor skill learning during walking: No evidence for asymmetric transfer

2017

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“…However, this possibility should be explored in future studies evaluating interlimb coordina- tion in participants with CAI as they perform functional tasks, such as gait initiation and the double-support phase of gait, when interlimb coordination is highlighted. [31][32][33] Limitations For SLRs, we evaluated both activation and relative magnitude in a predefined epoch. However, for MLRs, we evaluated only the relative amplitude in a predefined epoch.…”

Section: Discussionmentioning

confidence: 99%

Short and Medium Latency Responses in Participants With Chronic Ankle Instability

Sousa

Valente

Pinto

et al. 2018

Journal of Athletic Training

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“…Many studies have already investigated coordinated movements in stroke patients, often focusing alternately on the upper limbs (for example bimanual tasks [ 26 ]) or on the lower limbs (locomotion [ 27 ]), or on the alteration of the above-described pendular mechanism [ 24 ]. Few studies have so far dealt with the coordination of all four limbs while walking in stroke survivors and a healthy comparison sample [ 28 , 29 , 30 ]. A simple action such as walking implies a complex coordination: arms are moved out-of-phase with each other at a frequency that is synchronized with the stride frequency and in-phase with the contralateral lower limb [ 31 ].…”

Section: Introductionmentioning

confidence: 99%

Sensorized Assessment of Dynamic Locomotor Imagery in People with Stroke and Healthy Subjects

Bartolo

Belluscio

Vannozzi

et al. 2020

Sensors

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Dynamic motor imagery (dMI) is a motor imagery task associated with movements partially mimicking those mentally represented. As well as conventional motor imagery, dMI has been typically assessed by mental chronometry tasks. In this paper, an instrumented approach was proposed for quantifying the correspondence between upper and lower limb oscillatory movements performed on the spot during the dMI of walking vs. during actual walking. Magneto-inertial measurement units were used to measure limb swinging in three different groups: young adults, older adults and stroke patients. Participants were tested in four experimental conditions: (i) simple limb swinging; (ii) limb swinging while imagining to walk (dMI-task); (iii) mental chronometry task, without any movement (pure MI); (iv) actual level walking at comfortable speed. Limb swinging was characterized in terms of the angular velocity, frequency of oscillations and sinusoidal waveform. The dMI was effective at reproducing upper limb oscillations more similar to those occurring during walking for all the three groups, but some exceptions occurred for lower limbs. This finding could be related to the sensory feedback, stretch reflexes and ground reaction forces occurring for lower limbs and not for upper limbs during walking. In conclusion, the instrumented approach through wearable motion devices adds significant information to the current dMI approach, further supporting their applications in neurorehabilitation for monitoring imagery training protocols in patients with stroke.

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Interlimb Coordination During Step-to-Step Transition and Gait Performance

Cited by 21 publications

References 156 publications

Interlimb transfer of motor skill learning during walking: No evidence for asymmetric transfer

Interlimb transfer of motor skill learning during walking: No evidence for asymmetric transfer

Short and Medium Latency Responses in Participants With Chronic Ankle Instability

Sensorized Assessment of Dynamic Locomotor Imagery in People with Stroke and Healthy Subjects

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