Unlabelled: The changes in strength of hip abductor muscles after total hip arthroplasty may depend on its anatomical parameters. In the present study the correlation between the strength of the hip abductor muscles before hip revision surgery and the diameter of the abductor muscles in the pelvic anterior posterior X-ray was investigated.
Methods: This cross-sectional study included the patients underwent hip arthroplasty and were candidates for revision surgery. The diameter of the hip abductor muscles on the affected and unaffected sides were calculated based on plain radiography. Patients were also clinically examined and their abductor muscle strength on both sides were determined based on Medical Research Council Manual Muscle Testing scale.
Results: A total of 51 patients were included in the study and after exiting 20 patients; finally 31 patients' data were analyzed. Based on results there was a significant correlation between the ratios of muscle strength and muscle diameter in affected side to unaffected side (r=0.517, =0.003). As indicated in Table 3, such significant association was revealed in men (r=0.719, =0.001), but not in women (r=-0.092, =0.754). Also, this relationship was found to be significant in patients older than 60 years (r=0.529, =0.011), not in the younger.
Conclusion: In patients undergoing total hip arthroplasty revision surgery, there is a strong association between the ratio of strength and diameter of the abductor muscles in the affected side to the unaffected side especially in men and older ages.
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http://dx.doi.org/10.1097/MS9.0000000000000612 | DOI Listing |
J Geriatr Phys Ther
November 2024
Department of Physical Therapy and Rehabilitation Science, University of Maryland School of Medicine, Baltimore, Maryland.
Background And Purpose: Muscle strength, power, and mass decline with aging, leading to functional loss highly correlated with balance and falls in older adults. Lower limb muscle function is critical for fall prevention in older adults, and hip abductor force and rapid force development have been shown to be important during stepping tasks. However, it remains unclear whether hip abductor muscle function changes with aging.
View Article and Find Full Text PDFJ Hand Surg Asian Pac Vol
January 2025
Department of Orthopaedic Surgery, Kochi Medical School, Kochi University, Nankoku, Japan.
Carpal tunnel syndrome (CTS) due to amyloid deposition was reported to precede fatal cardiac amyloidosis by several years. Although nerve conduction study (NCS) supports CTS diagnosis, the incidence of positive amyloid deposition in electrophysiologically proven CTS is unclear. We retrospectively analysed the demographic data including age, gender, bilateral hand involvement, amyloid deposition and NCS results, of 111 consecutive CTS patients with postoperative symptom improvement (mean 71.
View Article and Find Full Text PDFJ Hand Ther
January 2025
Department of Physiotherapy and Rehabilitation, Faculty of Health Sciences, Bitlis Eren University, Bitlis, Turkey; Department of Physical Therapy and Rehabilitation, Institute of Health Sciences, Dokuz Eylul University, Izmir, Turkey.
Background: Quantifying the biomechanical properties of the thenar muscle can provide valuable insight into hand assessment methods.
Purpose: This study aimed to examine the reliability of myotonometer measurements in determining the biomechanical properties (tone, stiffness and elasticity) of thenar muscles in healthy individuals and explore sex-based variations. Additionally, it assessed the relationship between pinch strength and these properties.
Orthop J Sports Med
January 2025
Department of Orthopaedic Surgery, University of California, San Francisco, San Francisco, California, USA.
Background: Hip abductor tendon tears have been identified as a common cause of greater trochanteric pain syndrome. While abductor tendon tears are often managed surgically, the optimal tendon attachment technique remains controversial.
Purpose: To compare the outcomes of hip abductor tendon repair between the suture anchor (SA) and transosseous suture (TS) techniques.
Ultrasound Med Biol
January 2025
Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN, USA. Electronic address:
Objective: Measurement of thenar muscle elasticity by ultrasound shear wave elastography (SWE) may be useful for the diagnosis and evaluation of carpal tunnel syndrome (CTS), but there is a paucity of information on SWE of the thenar muscles in patients with CTS. The purpose of this study was to investigate the elasticity of the thenar muscles in patients with CTS.
Methods: Twenty-two adult patients with a referral diagnosis of CTS (27 hands) and 20 healthy volunteers as a control (20 dominant hands) participated in this study.
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