Inter-Rater Reliability of Abdominal Muscles Thickness Using Ultrasonography for Different Probe Locations and Thickness Measurement Techniques (original) (raw)

Measurement of superficial and deep abdominal muscle thickness: an ultrasonography study

Journal of physiological anthropology, 2016

Real-time ultrasound imaging is a valid method in the field of rehabilitation. The ultrasound imaging allows direct visualization for real-time study of the muscles as they contract over the time. Measuring of the size of each abdominal muscle in relation to the others provides useful information about the differences in structure, as well as data on trunk muscle activation patterns. The purpose of this study was to assess the size and symmetry of the abdominal muscles at rest in healthy adults and to provide a reference range of absolute abdominal muscle size in a relatively large population. A total 156 healthy subjects with the age range of 18-44 years were randomly recruited. The thickness of internal oblique, external oblique, transverse abdominis, and rectus abdominis muscles was measured at rest on both right and left sides using ultrasound. Independent t test was used to compare the mean thickness of each abdominal muscle between males and females. Differences on side-to-sid...

The effect of activation of thoracolumbar fascia on the thickness of abdominal muscles: An ultrasonographic study

Turkish Journal of Physical Medicine and Rehabilitation

Objectives: This study aims to evaluate the changes in the ultrasonographic thickness of transversus abdominis and internal oblique muscles during bridge with arm extension compared to bridge and abdominal hollowing. Patients and methods: Between March 1st, 2019 and March 29th, 2019, a total of 30 healthy individuals (15 males, 15 females; mean age: 28.8±8.1 years; range, 21 to 52 years) among hospital staff were included. Thickness of transversus abdominis, internal, and external oblique muscles of the participants were evaluated using ultrasound during four positions (rest, abdominal hollowing, bridge, and bridge with arm extension). Results: The mean body mass index was 23.8±4.1 kg/m2. The thickness of transversus abdominis and internal oblique muscles increased during all positions (p<0.001), compared to rest. The thickness during bridge with arm extension was greater than abdominal hollowing and bridge. Conclusion: Co-activation of latissimus dorsi and gluteus maximus muscle...

Reliability of B-mode ultrasonography for abdominal muscles in asymptomatic and patients with acute low back pain

Journal of Bodywork and Movement Therapies, 2007

The purpose of this methological study was to develop a reliable method for measuring transversus abdominis, rectus abdominis, external oblique and internal oblique muscles in asymptomatic human subjects and patients with acute low back pain (ALBP). This was a single operator reliability design study using ultrasound imaging to measure muscle thickness in 27 subjects on three separate occasions. Intra-class correlation coefficients (ICC) and standard error of measurement (SEM) were used to analyze muscle thickness. The mean, SD, ICC and SEM for external oblique, internal oblique, transversus abdominis and rectus abdominis muscles in asymptomatic subjects were (5.38, 1.64, 0.96, 0.33), (9.35, 3.42, 0.97, 0.073), (4.36, 1.93, 0.81, 0.45), (10.8, 2.18, 0.85, 0.84), respectively. The mean, SD, ICC, SEM for external oblique, internal oblique and transversus abdominis muscles in patients with ALBP were (5.58, 0.97, 0.87, 0.35), (9.72, 1.92, 0.87, 0.31), (4.36, 1, 0.91, 0.3), respectively. Earlier study on ultrasonographic measurement for neck multifidus muscles has suggested that the reliability of muscle thickness is higher in asymptomatic subjects compared with those in the symptomatic subjects. However, the present study showed high reliability for both symptomatic and asymptomatic subjects. This difference may be related to non-atrophic changes in abdominal muscles in acute low back patients. The results of this study indicate that the (A. Norasteh). measurement of abdominal muscle thickness with B-mode ultrasonography can be performed reliably even in patients with ALBP.

Ultrasound Imaging Measurement of the Transversus Abdominis in Supine, Standing, and Under Loading: A Reliability Study of Novice Examiners

International journal of sports physical therapy, 2015

Military personnel and first responders (police and firefighters) often carry large amounts of gear. This increased load can negatively affect posture and lead to back pain. The ability to quantitatively measure muscle thickness under loading would be valuable to clinicians to assess the effectiveness of core stabilization treatment programs and could aid in return to work decisions. Ultrasound imaging (USI) has the potential to provide such a measure, but to be useful it must be reliable. To assess the intrarater and interrater reliability of measurements of transversus abdominis (TrA) and internal oblique (IO) muscle thickness conducted by novice examiners using USI in supine, standing, and with an axial load. Prospective, test-retest study. Healthy, active duty military (N=33) personnel were examined by two physical therapy doctoral students (primary and secondary ultrasound technicians) without prior experience in USI. Thickness measurements of the TrA and IO muscles were perfor...

M-mode ultrasound: a reliable measure of transversus abdominis thickness?

Clinical Biomechanics, 2002

Objective. The purpose of this study was to establish a reliable method for measuring transversus abdominis thickness in asymptomatic human subjects in supine lying, standing and walking. Design and methods. This was a single operator reliability study using ultrasound imaging to measure 22 subjects on three separate occasions. A purpose built high-density foam reinforced belt was used to house and position the transducer over the midpoint of the transversus abdominis. Each subject was imaged in supine, standing, and treadmill walking at 3 kph. Intraclass correlation coefficients and standard error of measurement analysis were used to measure the data. Results. The correlation coefficient data analysis resulted in intraclass correlation coefficients of 0.94 (standard error of measurement 0.35) in supine lying, 0.88 (0.66) in standing and 0.88 (0.56) in walking. Conclusion. The method described is a reliable tool for measuring changes in thickness of transversus abdominis in supine lying, standing and walking. Relevance This procedure has the potential to detect dysfunctional changes in abdominal muscle activity for patients with low back pain in a functional setting.

The Relationship Between the Side-Lying Endurance Test and Ultrasound Thickness Measurement for Abdominal Muscles

Jentashapir Journal of Health Research, 2015

Background: Low Back Pain (LBP) is a common musculoskeletal disorder in the different societies. Objectives: The purpose of this study was to investigate the relationship between the side-lying endurance test and ultrasound thickness measurement of the anterolateral abdominal muscles. Patients and Methods: A convenience sample of 55 subjects, aged 20-30 years, participated in this study. Endurance of abdominal muscles was measured using side-lying endurance test in all subjects. Ultrasound thickness measurement for the Transverses Abdominis (TVA), Internal Oblique (IO), and External Oblique (EO) muscles was performed on the right side at rest in supine position. Results: The results of the Pearson correlation coefficient between the variables of the study showed no significant relationship between the side-lying endurance test and ultrasound thickness measurements of TVA (r = 0.06, P = 0.65), IO (r = 0.06, P = 0.62), and EO (r = 0.08, P = 0.54) muscles. The significance level of 0.05 was chosen. Conclusions: It seems that there is no significant relationship between the side-lying endurance test and abdominal muscles thickness.

Applicability of ultrasonography for evaluating trunk muscle size: a pilot study

Journal of physical therapy science, 2017

Ultrasonography (US) is widely applied to measure the muscle size in the limbs, as it has relatively high portability and is associated with low costs compared with large clinical devices such as magnetic resonance imaging (MRI). However, the applicability of US for evaluating trunk muscle size is poorly understood. This study aimed to examine whether US-measured muscle thickness (MT) in the trunk abdominal and back muscles correlated with MT and muscle cross-sectional area (MCSA) measured by MRI. [Subjects and Methods] Twenty-four healthy young males participated in this study. The MT and MCSA in the subjects were measured by US and MRI in a total of 10 sites, including the bilateral sides of the rectus abdominis (upper, central, and lower parts), abdominal wall, and multifidus lumborum. [Results] The interclass correlation coefficients of US-measured MT on the total 10 sites showed excellent values (n=12, 0.919 to 0.970). The US-measured MT significantly correlated with the MRI-measured MT (r=0.753 to 0.963) and MCSA (r=0.634 to 0.821). [Conclusion] US-measured MT could represent a surrogate for muscle size measured by MRI. The application of US for evaluating trunk muscle size may be a useful tool in the clinical setting.