Please use this identifier to cite or link to this item: https://hdl.handle.net/11499/9545
Title: Relationship of side dominance and ultrasonographic measurements of pronator quadratus muscle along with handgrip and pinch strength
Authors: Ök, Nusret
Ağladıoğlu, Kadir
Güngör, Harun Reşit
Kitiş, Ali
Akkaya, Semih
Akkoyunlu, Nuran Sabir
Demirkan, Fahir
Keywords: Cross sectional area
Handedness
Handgrip
Pronator quadratus muscle
Ultrasonography
adult
age
arm muscle
Article
body height
body mass
body weight
correlation analysis
dynamometry
echograph
echography
female
Flinders Handedness Survey
functional assessment
grip strength
hand grip
human
human experiment
image analysis
left handedness
male
medical staff
middle aged
muscle thickness
normal human
pinch strength
pronator quadratus muscle
right handedness
volunteer
young adult
diagnostic imaging
hand
hand strength
hemispheric dominance
physiology
procedures
skeletal muscle
Adult
Female
Functional Laterality
Hand
Hand Strength
Humans
Male
Middle Aged
Muscle, Skeletal
Pinch Strength
Young Adult
Publisher: Societatea Romana de Ultrasonografie in Medicina si Biologie
Abstract: 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.
URI: https://hdl.handle.net/11499/9545
https://doi.org/10.11152/mu.2013.2066.182.qua
ISSN: 1844-4172
Appears in Collections:Fizik Tedavi ve Rehabilitasyon Yüksekokulu Koleksiyonu
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Tıp Fakültesi Koleksiyonu
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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