Background: Musculoskeletal dysfunction may be associated with poor calf muscle pump function in patients with chronic venous ulceration. The aim of this study was to evaluate the effects of physical exercise on calf muscle pump function.
Methods: Twenty patients were recruited into a 6-week intensive exercise programme. Calf muscle function and calf muscle pump function were assessed using an isokinetic device and air plethysmography respectively, before and after the exercise programme.
Results: There was significant improvement in calf muscle pump function, measured as increased ejection fraction and decreased residual fraction (P < 0.05); however, venous reflux was not altered (P > 0.05). Calf muscle strength and endurance parameters all increased, but not significantly (P > 0.05).
Conclusion: Poor calf muscle pump function in patients with chronic venous ulceration can be improved by physical exercise.
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http://dx.doi.org/10.1046/j.1365-2168.1999.00993.x | DOI Listing |
BMJ Case Rep
January 2025
Internal Medicine, RG Kar Medical College and Hospital, Kolkata, West Bengal, India.
Hoffmann syndrome, a rare manifestation of hypothyroid myopathy in adults, is characterised by muscle weakness, stiffness and pseudohypertrophy. Here, we report the case of a middle-aged man who presented with progressive weakness in proximal muscles (in the form of difficulty in climbing stairs, rising from a seated position, combing hair and lifting objects) and leg swelling for 6 months. Physical examination revealed pseudohypertrophy of calf muscles with pronounced symmetric weakness in proximal upper and lower limbs.
View Article and Find Full Text PDFActa Bioeng Biomech
September 2024
Jagiellonian University Medical College, Faculty of Medicine, Department of Bioinformatics and Telemedicine, Kraków, Poland.
The purpose was to answer what is the relationship between torques acting on the human body, how does the triceps calf muscle balance the weight of a tilted body and what is the foot's role in the titling body? Two research models were developed. Model 1 - the one-sided lever system consists of a flat bar with, an axis of rotation, used to determine the weight and torque at a given point on it. Model 2 - the two-sided lever system consists of a flat bar imitating a tilted body counteracted by the Achilles tendon, and a platform imitating a foot.
View Article and Find Full Text PDFBr J Radiol
January 2025
Department of Ultrasound, Institute of Ultrasound in Medicine and Engineering, Zhongshan Hospital, Fudan University, Shanghai, China.
Objectives: To evaluate the value of ultrasound (US) and shear wave velocity (SWV) to assess muscle in postmenopausal women with osteosarcopenia (OSP).
Methods: This study included 145 postmenopausal women, comprising 115 osteopenia/osteoporosis participants without sarcopenia (OP alone) and 30 OSP participants. All received the evaluation of bone mineral density (BMD), appendicular skeletal muscle mass index (ASMI), handgrip strength, calf circumference, 6-meter walking speed, and 5-time chair stand test.
Metabolites
January 2025
Radiological Sciences, David Geffen School of Medicine at UCLA, Los Angeles, CA 90095, USA.
This study evaluated metabolites and lipid composition in the calf muscles of Type 2 diabetes mellitus (T2DM) patients and age-matched healthy controls using multi-dimensional MR spectroscopic imaging. We also explored the association between muscle metabolites, lipids, and intra-abdominal fat in T2DM. Participants included 12 T2DM patients (60.
View Article and Find Full Text PDFBMC Nutr
January 2025
Nutrition and Metabolic Diseases Research Center, Clinical Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.
Background: Malnutrition is a significant challenge in stroke patients, affecting both rehabilitation and independence. This study aims to evaluate whether early L-carnitine supplementation can effectively improve anthropometric parameters and malnutrition status in acute-phase ischemic stroke patients to mitigate the catabolic state.
Methods: Eighty-two first-ever ischemic stroke patients were randomly assigned to either the L-carnitine group (1000 mg three times/day for seven consecutive days) or the matching placebo group.
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