Widespread Proprioceptive Acuity Impairment in Chronic Back Pain: A Cross-sectional Study

Poesl, Matthias; Carvalho, Gabriela Ferreira; Adamczyk, Wacław M.; Schüßler, Beate; Richter, Michael; Luedtke, Kerstin; Szikszay, Tibor M.

doi:10.1016/j.apmr.2023.02.016

Cited by 3 publications

(1 citation statement)

References 66 publications

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“…However, people with LBP have several obstacles that hinder exercise performance at home [7,11]. Impaired proprioception in patients with LBP limits their ability to sense whether they are performing home exercises accurately [15,26,27]. Moreover, the absence of clinician oversight affects patient engagement with exercises [28,29].…”

Section: Leveraging Technology For Posture and Movement Assessmentsmentioning

confidence: 99%

Preliminary Validity and Acceptability of Motion Tape for Measuring Low Back Movement: Mixed Methods Study

Lee,

Wyckoff,

Farcas

et al. 2024

JMIR Rehabil Assist Technol

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Background: Low back pain (LBP) is a significant public health problem that can result in physical disability and financial burden for the individual and society. Physical therapy (PT) is effective for managing LBP, and includes evaluation of posture and movement, interventions directed at modifying posture and movement, and prescription of exercises. However, physical therapists have limited tools for objective evaluation of low back posture and movement and monitoring of exercises, and this evaluation is limited to the timeframe of a clinical encounter. There is a need for a valid tool that can be used to evaluate low back posture and movement and monitor exercises outside the clinic. To address this need, a fabric-based, wearable sensor, Motion Tape (MT) was developed and adapted for a low back use case. MT is a low-profile, disposable, self-adhesive, skinstrain sensor developed by spray-coating piezoresistive graphene nanocomposites directly onto commercial kinesiology tape. Objective:The objectives of this study were to a) validate MT for measuring low back posture and movement; and b) assess the acceptability of MT for users.Methods: Ten participants without low back pain were tested. A 3D optical motion capture system was used as a reference standard to measure low back kinematics. Retroreflective markers and a matrix of MTs were placed on the low back to measure kinematics (motion capture) and strain (MT) simultaneously during low back movements in the sagittal, frontal, and axial planes. Cross-correlation coefficients were calculated to evaluate concurrent validity of MT strain in reference motion capture kinematics during each movement. Acceptability of MT was assessed using semi-structured interviews conducted with each participant after laboratory testing. Interview data were analyzed using Rapid Qualitative Analysis to identify themes and subthemes of user acceptability.Results: Visual inspection of concurrent MT strain and kinematics of the low back indicates that MT can distinguish between different movement directions. Cross-correlation coefficients between MT strain and motion capture kinematics ranged from -0.915 to 0.983, and strength of correlations varied across MT placements and low back movement directions. For user acceptability, participants expressed enthusiasm for MT and believed it would be helpful for remote interventions for LBP but provided suggestions for improvement.Conclusions: MT was able to distinguish different low back movements and most MTs demonstrated moderate to high

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Section: Leveraging Technology For Posture and Movement Assessmentsmentioning

confidence: 99%

Preliminary Validity and Acceptability of Motion Tape for Measuring Low Back Movement: Mixed Methods Study

Lee,

Wyckoff,

Farcas

et al. 2024

JMIR Rehabil Assist Technol

View full text Add to dashboard Cite

show abstract

Tactile acuity and active joint repositioning sense in individuals with and without chronic low back pain: a cross-sectional study

Rodríguez-Romero,

Gallo-Marcos,

Mancebo-Blanco

et al. 2024

Physiotherapy Theory and Practice

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Preliminary Validity and Acceptability of Motion Tape for Measuring Low Back Movement: Mixed Methods Study (Preprint)

Lee,

Wyckoff,

Farcas

et al. 2024

Preprint

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BACKGROUND Low back pain (LBP) is a significant public health problem that can result in physical disability and financial burden for the individual and society. Physical therapy is effective for managing LBP and includes evaluation of posture and movement, interventions directed at modifying posture and movement, and prescription of exercises. However, physical therapists have limited tools for objective evaluation of low back posture and movement and monitoring of exercises, and this evaluation is limited to the time frame of a clinical encounter. There is a need for a valid tool that can be used to evaluate low back posture and movement and monitor exercises outside the clinic. To address this need, a fabric-based, wearable sensor, Motion Tape (MT), was developed and adapted for a low back use case. MT is a low-profile, disposable, self-adhesive, skin-strain sensor developed by spray coating piezoresistive graphene nanocomposites directly onto commercial kinesiology tape. OBJECTIVE The objectives of this study were to (1) validate MT for measuring low back posture and movement and (2) assess the acceptability of MT for users. METHODS A total of 10 participants without LBP were tested. A 3D optical motion capture system was used as a reference standard to measure low back kinematics. Retroreflective markers and a matrix of MTs were placed on the low back to measure kinematics (motion capture) and strain (MT) simultaneously during low back movements in the sagittal, frontal, and axial planes. Cross-correlation coefficients were calculated to evaluate the concurrent validity of MT strain in reference motion capture kinematics during each movement. The acceptability of MT was assessed using semistructured interviews conducted with each participant after laboratory testing. Interview data were analyzed using rapid qualitative analysis to identify themes and subthemes of user acceptability. RESULTS Visual inspection of concurrent MT strain and kinematics of the low back indicated that MT can distinguish between different movement directions. Cross-correlation coefficients between MT strain and motion capture kinematics ranged from –0.915 to 0.983, and the strength of the correlations varied across MT placements and low back movement directions. Regarding user acceptability, participants expressed enthusiasm toward MT and believed that it would be helpful for remote interventions for LBP but provided suggestions for improvement. CONCLUSIONS MT was able to distinguish between different low back movements, and most MTs demonstrated moderate to high correlation with motion capture kinematics. This preliminary laboratory validation of MT provides a basis for future device improvements, which will also involve testing in a free-living environment. Overall, users found MT acceptable for use in physical therapy for managing LBP.

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Widespread Proprioceptive Acuity Impairment in Chronic Back Pain: A Cross-sectional Study

Cited by 3 publications

References 66 publications

Preliminary Validity and Acceptability of Motion Tape for Measuring Low Back Movement: Mixed Methods Study

Preliminary Validity and Acceptability of Motion Tape for Measuring Low Back Movement: Mixed Methods Study

Tactile acuity and active joint repositioning sense in individuals with and without chronic low back pain: a cross-sectional study

Preliminary Validity and Acceptability of Motion Tape for Measuring Low Back Movement: Mixed Methods Study (Preprint)

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