The cross-sectional area of supraspinatus as measured by diagnostic ultrasound

Katayose, Masaki; Magee, David J.

doi:10.1302/0301-620x.83b4.11153

Cited by 23 publications

(14 citation statements)

References 31 publications

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“…Katayose and Magee 18 reported an influence of hand dominance on supraspinatus tendon thickness. Serafini et al 4 found no significant difference between right and left hands regarding FFT thick-ness.…”

mentioning

confidence: 99%

Value of Transducer Positions in the Measurement of Finger Flexor Tendon Thickness by Sonography

Klauser

Stadlbauer

Frauscher

et al. 2004

J of Ultrasound Medicine

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confidence: 99%

Value of Transducer Positions in the Measurement of Finger Flexor Tendon Thickness by Sonography

Klauser

Stadlbauer

Frauscher

et al. 2004

J of Ultrasound Medicine

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“…They concluded that US is a valid and reliable method to assess the CSA of specific muscles in the hand and this correlates with strength measurements. Katoyose and Magee [21] reported measurement reference standards of CSA of supraspinatus by diagnostic ultrasound in 72 volunteers. They also found that the CSA of the dominant side was significantly larger than the non-dominant side with a high measure of inter-observer reliability.…”

Section: Discussionmentioning

confidence: 99%

Relationship of side dominance and ultrasonographic measurements of pronator quadratus muscle along with handgrip and pinch strength

et al. 2016

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Aims: We ascertained effects of hand dominance in both right and left-handed volunteers on the thickness and cross sectional area (CSA) of pronator quadratus (PQ) muscle as measured by the axial and sagittal views of ultrasound imaging. Secondly, we also aimed to document the extent of the relationship between the PQ measurements and handgrip. Materials and methods: Healthy adults from the volunteer medical staff were included in the study. Handedness was assessed via The Flinders Handedness survey. The sonographic appearance of the PQ was evaluated on sagittal and axial images for both hands. CSA of PQ muscle was digitally drawn and calculated on the axial plane. Handgrip was measured by using adjustable-handle dynamometer. Results: Eighty-nine healthy volunteers were included (54 right and 35 left-handed). Significant difference was detected between dominant and non-dominant hands in CSA and muscle thickness in both right and left-handed volunteers (p<0.05). These measurements were correlated with the handgrip strength (p<0.05, r=0.55, and r=0.43 for right-handed volunteers, r=0.67 and r=0.48 for left-handed volunteers, respectively). There were also significantly high correlations between the measurements of CSA and PQ thickness of the corresponding extremity in both right-handed and left-handed volunteers (p<0.05). Conclusions: A statistically significant difference exists between dominant and non-dominant hands in CSA and muscle thickness measured by US in both right and left handed volunteers, and this is correlated with handgrip strength. Hand dominance should be considered to compare healthy and affected sites during US of PQ while investigating for occult fractures of distal forearm or PQ atrophy due to anterior interosseous nerve injury.

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“…To date, in vivo US studies investigating supraspinatus (SP) have focused on gross morphological features such as cross-sectional area and MT (Juul-Kristensen et al, 2000;Dupont et al, 2001;Katayose and Magee, 2001). However, these features were investigated only in the relaxed state with the shoulder positioned in neutral rotation and 08 abduction.…”

Section: Introductionmentioning

confidence: 99%

Investigation of the static and dynamic musculotendinous architecture of supraspinatus

et al. 2009

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To date, the architecture of supraspinatus (SP) and its relation to joint position has not been investigated. The purpose of this study was to quantify the dynamic architecture of the distinct regions of SP using ultrasound (US). Seventeen subjects (8 M/9 F), mean age 36.4 +/- 12.7 years, without tendon pathology were recruited. The SP was scanned in relaxed and contracted states. For the contracted state, SP was scanned with the shoulder actively abducted to 60 degrees and the glenohumeral joint in neutral rotation; 80 degrees external rotation; 80 degrees internal rotation. Fiber bundle length (FBL) and pennation angle (PA) of distinct regions, and muscle thickness were computed. Measurements of the posterior region were limited because of acromion shadowing. Parameters between regions and changes between relaxed and contracted states were analyzed using paired t-tests and repeated measures ANOVA (P < 0.05). On contraction in the anterior region, mean percentage of FBL shortening ranged between 9% and 21%. However, in the posterior region, shortening of approximately 2% only occurred in two of the three positions; lengthening of approximately 2.5% occurred in internal rotation. For the anterior region, the mean PA increased the least in the externally rotated position, and the mean PA of the middle part was smaller than the deep part for all states. Findings suggest changes in the architecture are not uniform throughout the muscle and joint position may play an important role in force production. The US protocol may serve as an outcome measure of adaptive changes of muscle function following surgery, training, and rehabilitation.

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The cross-sectional area of supraspinatus as measured by diagnostic ultrasound

Cited by 23 publications

References 31 publications

Value of Transducer Positions in the Measurement of Finger Flexor Tendon Thickness by Sonography

Value of Transducer Positions in the Measurement of Finger Flexor Tendon Thickness by Sonography

Relationship of side dominance and ultrasonographic measurements of pronator quadratus muscle along with handgrip and pinch strength

Investigation of the static and dynamic musculotendinous architecture of supraspinatus

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