Abdominal Expansion versus Abdominal Drawing-In Strategy on Thickness and Electromyography of Lumbar Stabilizers in People with Nonspecific Low Back Pain: A Cross-Sectional Study

Kuo, Yen‐Liang; Kao, Chieh Yu; Tsai, Yi Ju

doi:10.3390/ijerph18094487

Cited by 3 publications

(4 citation statements)

References 35 publications

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“…The passive LSS without surrounding active musculature is an unstable system that tends to buckle even under low vertical loading ( Patwardhan et al, 1999 ). The co-contraction of abdominal and lumbar muscle groups combined with the activation of the diaphragm and the pressure that builds up provides an mechanism for stabilization ( Hodges et al, 2005 ; Kuo et al, 2021 ). Spinal instability, clinically defined as loss of the spine’s ability to maintain its displacement patterns during physiological loads, is an important cause of low back pain ( Panjabi, 2003 ).…”

Section: Discussionmentioning

confidence: 99%

“…Spinal instability, clinically defined as loss of the spine’s ability to maintain its displacement patterns during physiological loads, is an important cause of low back pain ( Panjabi, 2003 ). Destabilizing factors may include force reducing and response degrading dysfunction of MF and TA ( Kuo et al, 2021 ). Persistently increased abdominal muscle tension, in turn, leads to abdominal hypertension ( Tayebi et al, 2021 ) that can lead to health problems such as pain or organ deterioration ( van Ramshorst et al, 2011 ).…”

Section: Discussionmentioning

confidence: 99%

“…Destabilizing factors may include force reducing and response degrading dysfunction of MF and TA (Kuo et al, 2021). Persistently increased abdominal muscle tension, in turn, leads to abdominal hypertension (Tayebi et al, 2021) that can lead to health problems such as pain or organ deterioration (van Ramshorst et al, 2011).…”

Section: Figure 11mentioning

confidence: 99%

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Muscle-driven forward dynamic active hybrid model of the lumbosacral spine: combined FEM and multibody simulation

Remus,

Selkmann,

Lipphaus

et al. 2023

Front. Bioeng. Biotechnol.

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Most spine models belong to either the musculoskeletal multibody (MB) or finite element (FE) method. Recently, coupling of MB and FE models has increasingly been used to combine advantages of both methods. Active hybrid FE-MB models, still rarely used in spine research, avoid the interface and convergence problems associated with model coupling. They provide the inherent ability to account for the full interplay of passive and active mechanisms for spinal stability. In this paper, we developed and validated a novel muscle-driven forward dynamic active hybrid FE-MB model of the lumbosacral spine (LSS) in ArtiSynth to simultaneously calculate muscle activation patterns, vertebral movements, and internal mechanical loads. The model consisted of the rigid vertebrae L1-S1 interconnected with hyperelastic fiber-reinforced FE intervertebral discs, ligaments, facet joints, and force actuators representing the muscles. Morphological muscle data were implemented via a semi-automated registration procedure. Four auxiliary bodies were utilized to describe non-linear muscle paths by wrapping and attaching the anterior abdominal muscles. This included an abdominal plate whose kinematics was optimized using motion capture data from upper body movements. Intra-abdominal pressure was calculated from the forces of the abdominal muscles compressing the abdominal cavity. For the muscle-driven approach, forward dynamics assisted data tracking was used to predict muscle activation patterns that generate spinal postures and balance the spine without prescribing accurate spinal kinematics. During calibration, the maximum specific muscle tension and spinal rhythms resulting from the model dynamics were evaluated. To validate the model, load cases were simulated from −10° extension to +30° flexion with weights up to 20 kg in both hands. The biomechanical model responses were compared with in vivo literature data of intradiscal pressures, intra-abdominal pressures, and muscle activities. The results demonstrated high agreement with this data and highlight the advantages of active hybrid modeling for the LSS. Overall, this new self-contained tool provides a robust and efficient estimation of LSS biomechanical responses under in vivo similar loads, for example, to improve pain treatment by spinal stabilization therapies.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Muscle-driven forward dynamic active hybrid model of the lumbosacral spine: combined FEM and multibody simulation

Remus,

Selkmann,

Lipphaus

et al. 2023

Front. Bioeng. Biotechnol.

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“…The ADIM can provide lumbar stability by activating transversus abdominis and internal abdominal oblique (TrA/IO) (3). This exercise has been recommended to improve lumbar stability for preventing or reducing the risk of injury to the lumbar spine (4). However, controlling and performing consistent intensity of muscle activity of TrA/IO was di cult, especially when combined with other exercises that require motor control (2,5).…”

Section: Introductionmentioning

confidence: 99%

The effect of an abdominal drawing-in maneuver with real-time visual biofeedback on muscle activity in young adults

Kantha

Sakulsriprasert

Wattananon

2022

Preprint

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Background The abdominal drawing-in maneuver (ADIM) is a core stability exercise through the activation of the transversus abdominis and internal abdominal oblique (TrA/IO). However, controlling muscle activity of TrA/IO is difficult, especially when combined with other exercises. It has been proposed that real-time visual biofeedback (RVBF) can increase muscle activation but it has not been investigated in standing and lunge positions. Objectives This study aimed to investigate the effect of ADIM with RVBF on muscle activity during standing and lunge positions. Methods Twelve young adults (21.5 ± 2.1 years) were recruited for this study. Surface electromyography (EMG) was attached to 1) TrA/IO; 2) lumbar multifidus (LM); 3) lumbar erector spinae (LES); 4) gluteus medius (GMed); and 5) gluteus maximus (GMax) during ADIM and without ADIM (no-ADIM). Those data were processed and reported as a percentage of maximal voluntary isometric contraction (%MVIC). The RVBF was used to provide feedback to participants during ADIM in both standing and lunge positions. Results During standing position, the ADIM of about 24.92%MVIC of TrA/IO can increase the muscle activity of LM (p < 0.01), LES (p < 0.01), and GMed (p = 0.02) when compared to no-ADIM. During lunge position, the ADIM of about 25.48%MVIC of TrA/IO can increase the muscle activity of GMax (p < 0.01) when compared to no-ADIM. Conclusions ADIM of about 25%MVIC of TrA/IO is sufficient to improve back and hip muscle activity. Therefore, we recommended ADIM with RVBF when exercising in the standing and lunge positions.

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Mixed reality and sensor real-time feedback to increase muscle engagement during deep core exercising

Lancere

Jürgen²,

Gapeyeva³

2023

Virtual Reality

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In lower extremity amputee rehabilitation programs, difficult-to-master targeted activation of deep core muscles and pursed-lip breathing training are prescribed to treat poor movement quality and to improve recovery after amputation. Non-invasive wireless sensors and mixed reality (MR) technologies are proposed as a solution. The main aim was to validate a novel rehabilitation technology by exploring whether a combined verbal and visual mixed reality feedback (VF + MR) will initiate a greater change in muscle electrical activation magnitude compared to verbal feedback only (VF) during exercising. The second objective was to evaluate the effectiveness of specific exercise program targeted to engage specifically deep core muscles. Pre-post-test cross-over study involved electromyographic activity (EMG) analysis from Transversus Abdominis (TA) and Multifidus (MF) muscles and self-reported questionnaires to evaluate the efficiency of MR feedback. Anthropometric data, state of health, subjective low back pain (Oswestry Disability Index), and physical activity level (IPAQ) estimation were analysed. The data from 13 patients following unilateral transtibial and transfemoral amputation showed a significant EMG increase in (VF + MR) for Chair Lean (p = 0.03) and Bent Leg Raise (p = 0.0005) exercises for TA muscle. Even though there was no significant difference in Back Bridge and Side Plank exercises, 6 to 10 participants depending on the exercise, had an increase of EMG in the range of 50–400% for both – TA and MF muscles. The proposed solution has a high potential for increasing motivation, self-awareness, and muscle engagement during exercises, based on EMG and self-reported questionnaire data.

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Abdominal Expansion versus Abdominal Drawing-In Strategy on Thickness and Electromyography of Lumbar Stabilizers in People with Nonspecific Low Back Pain: A Cross-Sectional Study

Cited by 3 publications

References 35 publications

Muscle-driven forward dynamic active hybrid model of the lumbosacral spine: combined FEM and multibody simulation

Muscle-driven forward dynamic active hybrid model of the lumbosacral spine: combined FEM and multibody simulation

The effect of an abdominal drawing-in maneuver with real-time visual biofeedback on muscle activity in young adults

Mixed reality and sensor real-time feedback to increase muscle engagement during deep core exercising

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