Ultrasound Method for Estimating the Cross-Sectional Area of the Psoas Major Muscle

2011 ◽  
Vol 43 (10) ◽  
pp. 2000-2004 ◽  
Author(s):  
YOHEI TAKAI ◽  
YOICHI KATSUMATA ◽  
YASUO KAWAKAMI ◽  
HIROAKI KANEHISA ◽  
TETSUO FUKUNAGA
Keyword(s):  
Cross Sectional Area ◽  
Sectional Area ◽  
Cross Sectional ◽  
Ultrasound Method ◽  
Psoas Major Muscle ◽  
The Cross ◽  
Psoas Major

Cross-sectional area of psoas major muscle and hip flexion strength in youth soccer players

2012 ◽  
Vol 112 (10) ◽  
pp. 3487-3494 ◽  
Author(s):  
Yoshihiro Hoshikawa ◽  
Tomomi Iida ◽  
Nozomi Ii ◽  
Masataka Muramatsu ◽  
Yoshiharu Nakajima ◽  
...  
Keyword(s):  
Cross Sectional Area ◽  
Soccer Players ◽  
Sectional Area ◽  
Cross Sectional ◽  
Youth Soccer ◽  
Psoas Major Muscle ◽  
Psoas Major ◽  
Hip Flexion ◽  
Flexion Strength

Quantitative ultrasound method for assessing stress–strain properties and the cross-sectional area of Achilles tendon

2013 ◽  
Vol 24 (12) ◽  
pp. 125702 ◽  
Author(s):  
Yi-Chun Du ◽  
Yung-Fu Chen ◽  
Chien-Ming Li ◽  
Chia-Hung Lin ◽  
Chia-En Yang ◽  
...  
Keyword(s):  
Achilles Tendon ◽  
Quantitative Ultrasound ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
Stress Strain ◽  
Cross Sectional ◽  
Ultrasound Method ◽  
The Cross

scholarly journals CROSS-SECTIONAL AREA OF PSOAS MAJOR MUSCLE IN HIGH SCHOOL ATHLETES

2006 ◽  
Vol 55 (2) ◽  
pp. 217-228 ◽  
Author(s):  
YOSHIHIRO HOSHIKAWA ◽  
TOMOMI IIDA ◽  
MASATAKA MURAMATSU ◽  
AKIKO UCHIYAMA ◽  
YOSHIHARU NAKAJIMA
Keyword(s):  
High School ◽  
Cross Sectional Area ◽  
Sectional Area ◽  
High School Athletes ◽  
Cross Sectional ◽  
Psoas Major Muscle ◽  
Psoas Major

scholarly journals Sex-related differences and cross-sectional age-related changes to the cross-sectional area of the psoas major muscles corrected for fat-free mass

2021 ◽  
Vol 70 (1) ◽  
pp. 125-132
Author(s):  
Nozomi Ohta ◽  
Tomomi Iida ◽  
Yoshihiro Hoshikawa ◽  
Yohei Takata ◽  
Yoshiharu Nakajima ◽  
...  
Keyword(s):  
Cross Sectional Area ◽  
Fat Free Mass ◽  
Sectional Area ◽  
Cross Sectional ◽  
Age Related ◽  
The Cross ◽  
Psoas Major ◽  
Age Related Changes

scholarly journals Age-related Change In Cross Sectional Area Of The Psoas Major Muscle In Japanese

2019 ◽  
Vol 51 (Supplement) ◽  
pp. 336
Author(s):  
Mitsuharu Kaya ◽  
Masanori Takemura ◽  
Junzo Tsujita ◽  
Ken-ich Ichihashi
Keyword(s):  
Cross Sectional Area ◽  
Sectional Area ◽  
Cross Sectional ◽  
Age Related ◽  
Psoas Major Muscle ◽  
Psoas Major

scholarly journals Atrophy patterns in isolated subscapularis lesions

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Gernot Seppel ◽  
Andreas Voss ◽  
Daniel J. H. Henderson ◽  
Simone Waldt ◽  
Bernhard Haller ◽  
...  
Keyword(s):  
Muscle Atrophy ◽  
Area Ratio ◽  
Cross Sectional Area ◽  
Control Group ◽  
Sectional Area ◽  
Cross Sectional ◽  
Subscapularis Muscle ◽  
Mri Scans ◽  
The Mean ◽  
The Cross

Abstract Background While supraspinatus atrophy can be described according to the system of Zanetti or Thomazeau there is still a lack of characterization of isolated subscapularis muscle atrophy. The aim of this study was to describe patterns of muscle atrophy following repair of isolated subscapularis (SSC) tendon. Methods Forty-nine control shoulder MRI scans, without rotator cuff pathology, atrophy or fatty infiltration, were prospectively evaluated and subscapularis diameters as well as cross sectional areas (complete and upper half) were assessed in a standardized oblique sagittal plane. Calculation of the ratio between the upper half of the cross sectional area (CSA) and the total CSA was performed. Eleven MRI scans of patients with subscapularis atrophy following isolated subscapularis tendon tears were analysed and cross sectional area ratio (upper half /total) determined. To guarantee reliable measurement of the CSA and its ratio, bony landmarks were also defined. All parameters were statistically compared for inter-rater reliability, reproducibility and capacity to quantify subscapularis atrophy. Results The mean age in the control group was 49.7 years (± 15.0). The mean cross sectional area (CSA) was 2367.0 mm2 (± 741.4) for the complete subscapularis muscle and 1048.2 mm2 (± 313.3) for the upper half, giving a mean ratio of 0.446 (± 0.046). In the subscapularis repair group the mean age was 56.7 years (± 9.3). With a mean cross sectional area of 1554.7 mm2 (± 419.9) for the complete and of 422.9 mm2 (± 173.6) for the upper half of the subscapularis muscle, giving a mean CSA ratio of 0.269 (± 0.065) which was seen to be significantly lower than that of the control group (p < 0.05). Conclusion Analysis of typical atrophy patterns of the subscapularis muscle demonstrates that the CSA ratio represents a reliable and reproducible assessment tool in quantifying subscapularis atrophy. We propose the classification of subscapularis atrophy as Stage I (mild atrophy) in case of reduction of the cross sectional area ratio < 0.4, Stage II (moderate atrophy) in case of < 0.35 and Stage III (severe atrophy) if < 0.3.

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