Impaired anticipatory postural adjustments due to experimental infrapatellar fat pad pain

Shiozawa, Shinichiro; Hirata, Rogério Pessoto; Jeppesen, Johanne Bruun; Graven‐Nielsen, Thomas

doi:10.1002/ejp.667

Cited by 11 publications

(9 citation statements)

References 38 publications

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“…In a previous study, we have shown that cutaneous pain induced during both the acquisition and retention tests of the same locomotor adaptation also led to increased relative timing of error (Bouffard et al 2016). Other studies also showed similar changes in feedforward control with pain during anticipatory motor adjustments in clinical populations (Cowan et al 2002;Hodges and Richardson 1996;Massé-Alarie et al 2012;Tsao et al 2008) and experimental muscle pain models (Hodges et al 2003;Shiozawa et al 2015). Although antici-patory motor adjustments and force field adaptation represent different tasks, they seem to share similar neural mechanisms to deal with the presence of pain.…”

Section: Pain Modified Participants' Motor Strategy During the Acquisition Of A Locomotor Adaptation Taskmentioning

confidence: 57%

Effect of experimental muscle pain on the acquisition and retention of locomotor adaptation: different motor strategies for a similar performance

Bouffard

Salomoni

Mercier

et al. 2018

Journal of Neurophysiology

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As individuals with musculoskeletal disorders often experience motor impairments, contemporary rehabilitation relies heavily on the use of motor learning principles. However, motor impairments are often associated with pain. Although there is substantial evidence that muscle pain interferes with motor control, much less is known on its impact on motor learning. The objective of the present study was to assess the effects of muscle pain on locomotor learning. Two groups (Pain and Control) of healthy participants performed a locomotor adaptation task (robotized ankle-foot orthosis perturbing ankle movements during swing) on two consecutive days. On day 1 (acquisition), hypertonic saline was injected in the tibialis anterior (TA) muscle of the Pain group participants, while Control group participants were pain free. All participants were pain free on day 2 (retention). Changes in movement errors caused by the perturbation were assessed as an indicator of motor performance. Detailed analysis of kinematic and electromyographic data provided information about motor strategies. No between-group differences were observed on motor performance measured during the acquisition and retention phases. However, Pain group participants had a residual movement error later in the swing phase and smaller early TA activation than Control group participants, thereby suggesting a reduction in the use of anticipatory motor strategies to overcome the perturbation. Muscle pain did not interfere with global motor performance during locomotor adaptation. The different motor strategies used in the presence of muscle pain may reflect a diminished ability to anticipate the consequences of a perturbation. NEW & NOTEWORTHY This study shows that experimental muscle pain does not influence global motor performance during the acquisition or next-day retention phases of locomotor learning. This contrasts with previous results obtained with cutaneous pain, emphasizing the risk of directly extrapolating from one pain modality to another. Muscle pain affected motor strategies used when performing the task, however: it reduced the ability to use increased feedforward control to overcome the force field.

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Section: Pain Modified Participants' Motor Strategy During the Acquisition Of A Locomotor Adaptation Taskmentioning

confidence: 57%

Effect of experimental muscle pain on the acquisition and retention of locomotor adaptation: different motor strategies for a similar performance

Bouffard

Salomoni

Mercier

et al. 2018

Journal of Neurophysiology

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“…A 500 ms time window after the perturbation onset was visually inspected to verify the data quality. Root‐mean‐square (RMS) values were derived from the EMG signals in 10 non‐overlapping signal epochs of 50 ms and the average value across all epochs (defined as RMS‐EMG) was extracted for each perturbation and subsequently averaged across all perturbations (Shiozawa et al., ). In addition, average RMS‐EMG values across, respectively, left and right back (m. iliocostalis, m. longissimus, and m. multifidus) and abdominal (m. obliquus internus, m. rectus abdominis, and m. obliquus externus) muscle groups were extracted.…”

Section: Methodsmentioning

confidence: 99%

Pain‐evoked trunk muscle activity changes during fatigue and DOMS

Larsen

Hirata

Graven‐Nielsen

2017

European Journal of Pain

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Background Muscle pain may reorganize trunk muscle activity but interactions with exercise‐related muscle fatigue and delayed onset muscle soreness (DOMS) is to be clarified. Methods In 19 healthy participants, the trunk muscle activity during 20 multi‐directional unpredictable surface perturbations were recorded after bilateral isotonic saline injections (control) and during unilateral and bilateral hypertonic saline‐induced low back pain (LBP) in conditions of back muscle fatigue (Day‐1) and DOMS (Day‐2). Pain intensity and distribution were assessed by visual analogue scale (VAS) scores and pain drawings. The degree of fatigue and DOMS were assessed by Likert scale scores. Root‐mean‐square electromyographic (RMS‐EMG) signals were recorded post‐perturbation from six bilateral trunk muscles and the difference from baseline conditions (Delta‐RMS‐EMG) was extracted and averaged across abdominal and back muscles. Results In DOMS, peak VAS scores were higher during bilateral control and bilateral saline‐induced pain than fatigue (p < 0.001) and during bilateral compared with unilateral pain (p < 0.001). The saline‐induced pain areas were larger during DOMS than fatigue (p < 0.01). In response to surface perturbations during fatigue and DOMS, the back muscle Delta‐RMS‐EMG increased during bilateral compared with unilateral pain and control injections (p < 0.001) and decreased during unilateral pain compared with control injections (p < 0.04). In DOMS compared with fatigue, the post‐perturbation Delta‐RMS‐EMG in back muscles was higher during bilateral pain and lower during unilateral pain (p < 0.001). The abdominal Delta‐RMS‐EMG was not significantly affected. Conclusion Facilitated and attenuated back muscle responses to surface perturbations in bilateral and unilateral LBP, respectively, was more expressed during exercise‐induced back muscle soreness compared with fatigue. Significance Back muscle activity decreased during unilateral and increased during bilateral pain after unpredictable surface perturbations during muscle fatigue and DOMS. Accumulation effects of DOMS on pain intensity and spreading and trunk muscle activity after pain‐induction.

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“…Second, the impaired biomechanics of the knee joints can influence overall postural control, because there are multiple links between joints underlying postural control [28]. Third, pain might directly influence postural control [9,10,26,29]. Fourth, patients with KOA might have subclinical degenerative changes in other joints including the spine, because some overlap in the prevalence of those changes has been reported [30].…”

Section: Discussionmentioning

confidence: 99%

The Impaired Balance Systems Identified by the BESTest in Older Patients With Knee Osteoarthritis

Tamura

Otaka

Konno

et al. 2016

PM&R

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Impaired anticipatory postural adjustments due to experimental infrapatellar fat pad pain

Cited by 11 publications

References 38 publications

Effect of experimental muscle pain on the acquisition and retention of locomotor adaptation: different motor strategies for a similar performance

Effect of experimental muscle pain on the acquisition and retention of locomotor adaptation: different motor strategies for a similar performance

Pain‐evoked trunk muscle activity changes during fatigue and DOMS

The Impaired Balance Systems Identified by the BESTest in Older Patients With Knee Osteoarthritis

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