title: Muscle mass and composition of the hip, thigh and abdominal muscles in women with and without hip osteoarthritis.
abstract: The objective of this study was to compare muscle mass and composition between individuals with and without hip osteoarthritis. Twenty-four women with hip osteoarthritis (OA group) and 16 healthy women (healthy group) participated in this study. Muscle thickness (MT) and echo intensity (EI) were measured as indices of muscle mass and composition, respectively, using ultrasound imaging. Seven muscles were examined: gluteus maximus, gluteus medius, quadriceps femoris, rectus abdominis, external oblique, internal oblique and transversus abdominis. MT of only quadriceps femoris in the OA group was significantly thinner than that in the healthy group. EIs of gluteus medius, quadriceps femoris and rectus abdominis were significantly higher in the OA group than those in the healthy group. Thus, actual contractile tissue of gluteus medius and rectus abdominis substantially decreased, although muscle mass was similar, whereas both quantitative and qualitative changes occurred in quadriceps femoris in patients with hip OA.
authors: Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan. fukumoto@reha.kobegakuin.ac.jp
authors: Yoshihiro
authors: Y
authors: Fukumoto
authors: Tome
authors: T
authors: Ikezoe
authors: Hiroshige
authors: H
authors: Tateuchi
authors: Rui
authors: R
authors: Tsukagoshi
authors: Haruhiko
authors: H
authors: Akiyama
authors: Kazutaka
authors: K
authors: So
authors: Yutaka
authors: Y
authors: Kuroda
authors: Tomohide
authors: T
authors: Yoneyama
authors: Noriaki
authors: N
authors: Ichihashi
mesh_terms: D000009:Abdominal Muscles / Q000000981:diagnostic imaging*; D016022:Case-Control Studies; D005260:Female; D006615:Hip / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D018482:Muscle, Skeletal / Q000000981:diagnostic imaging*; D015207:Osteoarthritis, Hip / Q000000981:diagnostic imaging*; D015203:Reproducibility of Results; D018709:Statistics, Nonparametric; D013848:Thigh / Q000000981:diagnostic imaging*; D014463:Ultrasonography