Immediate Changes in Resting and Contracted Thickness of Transversus Abdominis After Dry Needling of Lumbar Multifidus in Healthy Participants: A Randomized Controlled Crossover Trial

Puentedura, Emilio J.; Buckingham, Sarah; Morton, Daniella; Montoya, Crystal; Peñas, César Fernández de las

doi:10.1016/j.jmpt.2017.06.013

Cited by 13 publications

(13 citation statements)

References 27 publications

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“…[4-6, 17, 20-22]. Our average change of TrA thickness with contraction was 0.161 cm, which is similar to the values found by Dafkou et al [21] of 0.169, but lower than the one found by Puentedura [22], which was 0.39 cm. Their measurements of thickness using US were generally taken at one lumbar level, lateral to the subluminaris, while our measurements are averages across the length of the muscle at three speci ed points.…”

Section: Discussionsupporting

confidence: 88%

“…Our SEMs and MDs were comparable to, and even lower than those seen in other studies. For example, our TrA thickness SEM is within the range of SEM reported in other studies (0.01 to 0.023 cm [20,22]. Only one other study [7] presented SEMs and MDs with their EFOV data when imaging abdominal muscles, however that study grouped the three lateral abdominal muscles into one.…”

Section: Discussionsupporting

confidence: 81%

“…It is of note that those papers assessed intra-tester reliability, while we also assessed inter-tester reliability. In addition, most of them only assessed muscle thickness [5,6,17,[20][21][22], except for Tanaka et al [7], who measured area of the three combined lateral abdominal muscles and Chen et al [8], who measured TrA length at rest and anterior/posterior slide, not the change in length with contraction. These latter studies are of particular interest to the current study as they are the only other studies using EFOV to assess the lateral abdominal muscles.…”

Section: Discussionmentioning

confidence: 99%

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Use of Extended View Ultrasound Imaging Results in Reliable Measurement of Transversus Abdominis Muscle Size in Three Dimensions During Relaxation and a Hollowing Contraction

Johnson

Adams

Kho

et al. 2020

Preprint

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Background: The strength and size of core muscles, including the abdominal muscles, are crucial to proper function in most activities. Therefore, it is important to reliably assess these characteristics. Our primary objective was to determine if the length, thickness and cross-sectional area of the transversus abdominis (TrA) can be visualized independently from the internal and external abdominal oblique muscles using extended field of view ultrasound imaging at rest and with contraction and to establish its intra- and inter-tester reliability. Methods: Twenty-six individuals were recruited to participate in the study (20 F, 6 M), average age 24.0 years (SD 9.4), height 170.7 cm (SD 8.6) and weight 63.9 kg (SD 9.0). From this total number of participants, two groups of 16 randomly selected participants were assessed to determine intra- and inter-tester reliability respectively. Extended field of view ultrasound images were obtained at three vertebral levels during rest and contraction in the side lying position for both the right and left sides of the trunk. Results: Excellent intra-tester and inter-tester reliability was seen (ICC range of 0.972 to 0.984). The overall average percent SEM for all measurements and locations was approximately 4%. The overall average minimal difference for the thickness measurement for the resting and contraction conditions combined were as follows: intratester 0.056 (0.014) cm and intertester 0.054 (0.017) cm, for area intratester 0.287 (0.086) cm2 and intertester 0.289 (0.101) cm2 and for length intratester 0.519 (0.097) cm and intertester 0.507 (0.085) cm. Conclusions: Extended field of view ultrasound imaging is an effective method of reliably capturing clear images of the TrA during rest and contraction. It provides an efficient mechanism for the analysis of TrA morphology by being able to measure the cross-sectional area, thickness, and length on one image. This methodology is recommended for studies investigating TrA function and training.

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Section: Discussionsupporting

confidence: 88%

Section: Discussionsupporting

confidence: 81%

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Use of Extended View Ultrasound Imaging Results in Reliable Measurement of Transversus Abdominis Muscle Size in Three Dimensions During Relaxation and a Hollowing Contraction

Johnson

Adams

Kho

et al. 2020

Preprint

View full text Add to dashboard Cite

show abstract

“…Our SEMs and MDs were comparable to, and even lower than those seen in other studies. For example, our TrA thickness SEM is within the range of SEM reported in other studies (0.01 to 0.023 cm [ 25 , 27 ]. Only one other study [ 7 ] presented SEMs and MDs with their EFOV data when imaging abdominal muscles, however that study grouped the three lateral abdominal muscles into one.…”

Section: Discussionsupporting

confidence: 88%

“…It is of note that those papers assessed intra-tester reliability, while we also assessed inter-tester reliability. In addition, most of them only assessed muscle thickness [ 5 , 6 , 17 , 25 – 27 ], except for Tanaka et al [ 7 ], who measured area of the three combined lateral abdominal muscles and Chen et al [ 8 ], who measured TrA length at rest and anterior/posterior slide, not the change in length with contraction. These latter studies are of particular interest to the current study as they are the only other studies using EFOV to assess the lateral abdominal muscles.…”

Section: Discussionmentioning

confidence: 99%

Extended field-of-view ultrasound imaging is reliable for measuring Transversus Abdominis muscle size at rest and during contraction

Johnson

Adams

Kho

et al. 2021

BMC Musculoskelet Disord

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Background The strength and size of core muscles, including the abdominal muscles, are crucial to proper function in most activities. Therefore, it is important to reliably assess these characteristics. Our primary objective was to determine if the length, thickness and cross-sectional area of the transversus abdominis (TrA) can be visualized independently from the internal and external abdominal oblique muscles using extended field of view ultrasound imaging at rest and with contraction and to establish its intra- and inter-tester reliability. Methods Twenty-six individuals were recruited to participate in the study (20 F, 6 M), average age 24.0 years (SD 9.4), height 170.7 cm (SD 8.6) and weight 63.9 kg (SD 9.0). From this total number of participants, two groups of 16 randomly selected participants were assessed to determine intra- and inter-tester reliability respectively. Extended field of view ultrasound images were obtained at three vertebral levels during rest and contraction in the side lying position for both the right and left sides of the trunk. Results Excellent intra-tester and inter-tester reliability was seen (ICC range of 0.972 to 0.984). The overall average percent standard error of the measurement for all measurements and locations was approximately 4%. The overall average minimal difference for the thickness measurement for the resting and contraction conditions combined were as follows: intratester 0.056 (0.014) cm and intertester 0.054 (0.017) cm, for area intratester 0.287 (0.086) cm2 and intertester 0.289 (0.101) cm2 and for length intratester 0.519 (0.097) cm and intertester 0.507 (0.085) cm. Conclusions Extended field of view ultrasound imaging is an effective method of reliably capturing clear images of the TrA during rest and contraction. It provides an efficient mechanism for the analysis of muscle morphology by being able to measure the cross-sectional area, thickness, and length on one image. This methodology is recommended for studies investigating TrA function and training.

show abstract

Current advances and novel research on minimal invasive techniques for musculoskeletal disorders

et al. 2021

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Immediate Changes in Resting and Contracted Thickness of Transversus Abdominis After Dry Needling of Lumbar Multifidus in Healthy Participants: A Randomized Controlled Crossover Trial

Cited by 13 publications

References 27 publications

Use of Extended View Ultrasound Imaging Results in Reliable Measurement of Transversus Abdominis Muscle Size in Three Dimensions During Relaxation and a Hollowing Contraction

Use of Extended View Ultrasound Imaging Results in Reliable Measurement of Transversus Abdominis Muscle Size in Three Dimensions During Relaxation and a Hollowing Contraction

Extended field-of-view ultrasound imaging is reliable for measuring Transversus Abdominis muscle size at rest and during contraction

Current advances and novel research on minimal invasive techniques for musculoskeletal disorders

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