Spatial-frequency Analysis of the Anatomical Differences in Hamstring Muscles.
anatomy
hamstrings
musculoskeletal
spatial frequency analysis
ultrasound
Journal
Ultrasonic imaging
ISSN: 1096-0910
Titre abrégé: Ultrason Imaging
Pays: England
ID NLM: 7909167
Informations de publication
Date de publication:
03 2021
03 2021
Historique:
entrez:
10
2
2021
pubmed:
11
2
2021
medline:
29
10
2021
Statut:
ppublish
Résumé
Spatial frequency analysis (SFA) is a quantitative ultrasound method that characterizes tissue organization. SFA has been used for research involving tendon injury, but may prove useful in similar research involving skeletal muscle. As a first step, we investigated if SFA could detect known architectural differences within hamstring muscles. Ultrasound B-mode images were collected bilaterally at locations corresponding to proximal, mid-belly, and distal thirds along the hamstrings from 10 healthy participants. Images were analyzed in the spatial frequency domain by applying a two-dimensional Fourier Transform in all 6.5 × 6.5 mm kernels in a region of interest corresponding to the central portion of the muscle. SFA parameters (peak spatial frequency radius [PSFR], maximum frequency amplitude [Mmax], sum of frequencies [Sum], and ratio of Mmax to Sum [Mmax%]) were extracted from each muscle location and analyzed by separate linear mixed effects models. Significant differences were observed proximo-distally in PSFR (
Identifiants
pubmed: 33563139
doi: 10.1177/0161734621990707
pmc: PMC7952215
mid: NIHMS1674018
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
100-108Subventions
Organisme : NCATS NIH HHS
ID : TL1 TR002375
Pays : United States
Organisme : NCATS NIH HHS
ID : UL1 TR002373
Pays : United States
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