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Med Sci Sports Exerc 2022 Aug 6. Epub 2022 Aug 6.

Department of Physical Therapy, School of Health and Human Sciences, Indiana University, Indianapolis.

Purpose: Female runners have high rates of bone stress injuries (BSIs), including stress reactions and fractures. The current study explored multidirectional sports (MDS) played when younger as a potential means of building stronger bones to reduce BSI risk in these athletes.

Methods: Female collegiate-level cross-country runners were recruited into groups: 1) RUN: history of training and/or competing in cross-country, recreational running/jogging, swimming and/or cycling only and 2) RUN+MDS: additional prior history of training and/or competing in soccer or basketball. Read More

ACS Omega 2022 Aug 20;7(30):26298-26307. Epub 2022 Jul 20.

School of Resources and Earth Science, China University of Mining and Technology, Xuzhou 221116, China.

Low-field nuclear magnetic resonance has become one of the main methods to characterize static parameters and dynamic changes in unconventional reservoirs. The research focus of this paper is process simulation of coalbed methane (CBM) production. The dynamic variation of pore volume with different pore sizes during pressure drop, methane desorption-diffusion process, and methane-water interaction during migration is discussed. Read More

Phytomedicine 2022 Jul 19;105:154334. Epub 2022 Jul 19.

Nizam's Institute of Medical Sciences, Department of Pharmacology and Therapeutics, Telangana, India.

Background: Accelerated bone loss associated with aging and estrogen withdrawal is mediated in part by increased oxidative stress and inflammation.

Objective: Investigate dietary supplementation with a standardized aqueous extract of shilajit with clinically demonstrated antioxidant, anti-inflammatory, and collagen-promoting activity on attenuating bone loss in postmenopausal women with osteopenia.

Design: Sixty postmenopausal women aged 45 - 65 years with osteopenia were randomized to receive 1 of 3 treatments daily for 48 weeks: (1) placebo, (2) 250 mg shilajit extract, or (3) 500 mg shilajit extract. Read More

Eur J Med Res 2022 Aug 6;27(1):142. Epub 2022 Aug 6.

Fujian Medical University Union Hospital, Fuzhou, China.

Aim: This study aims to explore the effects of finite element biomechanical properties of different methods in the treatment of osteoporotic thoracolumbar fractures.

Methods: Based on the ultra-thin computed tomography scan data of a volunteer's thoracolumbar spine, the finite element method was used to simulate the treatment of osteoporotic thoracolumbar fracture. Spiral computed tomography scanning was used to obtain images of the thoracolumbar region, which was then imported into Mimics software to obtain the three-dimensional geometric model. Read More

Rev Sci Instrum 2022 Jul;93(7):075101

Geotechnical and Structural Engineering Research Center, Shandong University, Jinan 250061, China.

As the world's shallow coal resources are being depleted, resource development continues to progress faster. To explore the coupled hydromechanical behavior of coal reserves that are buried deep underground under high stress, complex seepage, high temperature, adsorption, and desorption, we have developed a triaxial seepage testing apparatus under multifactor coupling effect. The system consists of a high-pressure and high-precision servo control loading system, a triaxial core holder (TEMCO), a seepage dynamic control system, a low-field Nuclear Magnetic Resonance (NMR) test system, a constant temperature control system, and a data acquisition and monitoring system. Read More