The Effect of Lumbar Fatigue on the Ability to Sense a Change in Lumbar Position

Taimela, Simo; Kankaanpää, Markku; Luoto, Satu

doi:10.1097/00007632-199907010-00009

Cited by 258 publications

(190 citation statements)

References 26 publications

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“…This can be explained by the negative influence of fatigue on the muscle receptors and thereby on proprioception [2,14]. Due to lumbar muscle fatigue, proprioceptive acuity can decrease, which leads to inaccurate signals about lumbar spine position and movement [19]. Under simple (nonfatigued) postural conditions, greater dependence upon proprioceptive input from the ankles is the norm, and increased input from back muscle spindles only becomes important when the stance is unstable, in which case healthy controls adapt their strategy accordingly but people with LBP do not.…”

Section: Back Muscle Fatigue Conditionmentioning

confidence: 99%

“…The fatigue-related changes in muscle stiffness may reduce the capacity of the paraspinal muscles to stabilize the spine [18]. Furthermore, Taimela et al concluded that lumbar muscle fatigue impaired lumbar position sense in patients with LBP and healthy subjects [19]. Some studies showed that lumbar extensors fatigue resulted in an increased postural sway in healthy individuals [20,21].…”

Section: Introductionmentioning

confidence: 99%

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The effect of acute back muscle fatigue on postural control strategy in people with and without recurrent low back pain

et al. 2011

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Back muscle fatigue decreases the postural stability during quiet standing, but it is not known whether this fatigue-induced postural instability is due to an altered proprioceptive postural control strategy. Therefore, the aim of the study was to evaluate if acute back muscle fatigue may be a mechanism to induce or sustain a suboptimal proprioceptive postural control strategy in people with and without recurrent low back pain (LBP). Postural sway was evaluated on a force platform in 16 healthy subjects and 16 individuals with recurrent LBP during a control (Condition 1) and a back muscle fatigue condition (Condition 2). Back muscle fatigue was induced by performing a modified Biering-Sørensen test. Ankle and back muscle vibration, a potent stimulus for muscle spindles, was used to differentiate proprioceptive postural control strategies during standing on a stable and unstable support surface, where the latter was achieved by placing a foam pad under the feet. Ankle signals were predominantly used for postural control in all subjects although, in each condition, their influence was greater in people with LBP compared to healthy subjects (p \ 0.001). The latter group adapted their postural control strategy when standing on an unstable surface so that input from back muscles increased (p \ 0.001). However, such adaptation was not observed when the back muscles were fatigued. Furthermore, people with LBP continued to rely strongly on ankle proprioception regardless of the testing conditions. In conclusion, these findings suggest that impaired back muscle function, as a result of acute muscle fatigue or pain, may lead to an inability to adapt postural control strategies to the prevailing conditions.

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Section: Back Muscle Fatigue Conditionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The effect of acute back muscle fatigue on postural control strategy in people with and without recurrent low back pain

et al. 2011

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show abstract

“…But fatigue also poses other more subtle dilemmas for the spine system. Fatigue has been shown to impair spine proprioception (Taimela et al, 1999) and the ability to regulate force (Parnianpour et al, 1988;Sparto et al, 1997). Recently, we conducted an experiment that showed trunk muscle force variability increases after a fatiguing trial, and like others found that fatigue also produces more trunk muscle co-activation (O'Brien and Potvin, 1997;Potvin and O'Brien, 1998;Granata et al, 2004b).…”

Section: Controller Related Impairmentmentioning

confidence: 74%

Spine stability: The six blind men and the elephant

Reeves

Narendra

Cholewicki

2007

Clinical Biomechanics

218

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Stability is one of the most fundamental concepts to characterize and evaluate any system. This term is often ambiguously used in spinal biomechanics. Confusion arises when the static analyses of stability are used to study dynamic systems such as the spine. Therefore, the purpose of this paper is to establish a common ground of understanding, using standard, well-defined terms to frame future discussions regarding spine dynamics, stability, and injury. A qualitative definition of stability, applicable to dynamic systems, is presented. Additional terms, such as robustness (which is often confused with stability) and performance are also defined. The importance of feedback control in maintaining stability is discussed. Finally, these concepts are applied to understand low back pain and risk of injury.

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“…As proprioception constitutes one of the sensory inputs for regulation of postural stability, defective input may affect the accuracy of postural control. Previous studies reported that LBP subjects are less sensitive to detect rotary motion in both detections 21 , make errors with reproduction of a previously presented lumbopelvic angle 22 , and consistently tend to undershoot target angles during active repositioning of sacral tilt 23 . If the quality of proprioceptive feedback from the lumbar spine is poor, control of the CoM position might become ineffective when the lumbopelvic movement is involved in postural control (i.e.…”

Section: Inferior Quality Of Postural Recovery In People With Lbpmentioning

confidence: 87%

Postural recovery following voluntary arm movement is impaired in people with chronic low back pain

2011

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Study Design. Recovery of postural equilibrium following bilateral voluntary arm movement was evaluated using a case-control study, with 13 subjects with chronic LBP and 13 age-and gender-matched control subjects. Conclusion. These data suggest that while COP is tightly controlled during postural recovery, the fine-tuning of the control of postural equilibrium is compromised in people with LBP. Postural control dysfunctions should be considered in the management of chronic low back pain. Objectives

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The Effect of Lumbar Fatigue on the Ability to Sense a Change in Lumbar Position

Cited by 258 publications

References 26 publications

The effect of acute back muscle fatigue on postural control strategy in people with and without recurrent low back pain

The effect of acute back muscle fatigue on postural control strategy in people with and without recurrent low back pain

Spine stability: The six blind men and the elephant

Postural recovery following voluntary arm movement is impaired in people with chronic low back pain

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