Publications by authors named "Foulis"

Unlabelled: IntroductionUS Army Initial Entry Training (IET) aims to develop general fitness and conditioning among large groups of trainees. Despite group mean improvement in physical fitness during IET, some trainees experience substantial gains and others experience no improvement or even declines in fitness. The purpose of this study was to examine the associations between trainee baseline fitness (Army Physical Fitness Test (APFT), the primary fitness assessment at the time of data collection) or estimated baseline body fat (%BF) and the change in fitness by the end of IET.

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Objective: Less than half of servicewomen report loss of menses during initial military training. However, self-reported menstrual status may not accurately reflect hypothalamic-pituitary-ovarian (HPO) axis suppression and may underestimate reproductive health consequences of military training. Our aim was to characterise HPO axis function during US Army Basic Combat Training (BCT) in non-hormonal contraceptive-using women and explore potential contributors to HPO axis suppression.

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Lower extremity injuries are prevalent in military trainees, especially in female and older trainees. Modifiable factors that lead to higher injury risk in these subgroups are not clear. The purpose of this study was to identify whether external loading variables during military-relevant tasks differ by age and sex in U.

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A one-pot procedure for the oxidative amidation of aldehydes via the generation of reactive nitrile imine (NI) intermediates has been developed. Distinct from our progenitor processes, mechanistic and control experiments revealed that the NI undergoes rapid oxidation to an acyl diazene species, which then facilitates -acylation of an amine. A range of substrates have been explored, including application in the synthesis of pharmaceutically relevant compounds.

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Purpose: The purpose of this study is to optimize a dMS-based urinary proteomic technique and evaluate the relationship between urinary proteome content and adaptive changes in bone microarchitecture during BCT.

Methods: Urinary proteomes were analyzed with an optimized dMS technique in two groups of 13 recruits ( N = 26) at the beginning (Pre) and end (Post) of BCT. Matched by age (21 ± 4 yr), sex (16 W), and baseline tibial trabecular bone volume fractions (Tb.

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Roberts, BM, Staab, JS, Caldwell, AR, Sczuroski, CE, Staab, JE, Lutz, LJ, Reynoso, M, Geddis, AV, Taylor, KM, Guerriere, KI, Walker, LA, Hughes, JM, and Foulis, SA. Sex does not affect changes in body composition and insulin-like growth factor-I during US Army basic combat training. J Strength Cond Res 38(6): e304-e309, 2024-Insulin-like growth factor 1 (IGF-I) has been implicated as a biomarker of health and body composition.

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Background: Many cutaneous lesions are clinically suspected as "cyst"; however, following histopathological examination, are found to be more significant lesions. Here, we examine the frequency and features of malignancies with cutaneous cysts in the clinical differential.

Methods: A retrospective study of surgical pathology specimens at the James A.

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Peak tibial accelerations (TAs) during running are strongly related to early stance vertical ground reaction forces (GRFs), which are associated with musculoskeletal injury. However, few studies have examined these correlations during walking, and none have evaluated them during walking with loads, a relevant activity for military personnel. Our purpose was to determine the relationships between GRFs and TAs in US Army trainees (n = 649) walking with loads.

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Article Synopsis
  • In 1981, the US military developed body fat standards using circumference-based equations for men and women to encourage physical readiness and combat obesity, but these equations were known to underestimate body fat percentage (%BF).
  • A study involving young adult recruits assessed the validity of these circumference-based methods against more accurate Dual-energy X-ray absorptiometry (DXA) measurements before and after an 8-week Army Basic Combat Training (BCT).
  • Results showed that circumference measurements not only underestimated %BF both at the start and during BCT but also failed to detect changes in women's body fat, indicating these methods may not be reliable for tracking body composition changes in short training periods.
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Background: Low muscle mass has been correlated with adverse outcomes in patients who are critically ill. Methods to identify low muscularity such as computed tomography scans or bioelectrical impedance analyses are impractical for admission screening. Urinary creatinine excretion (UCE) and creatinine height index (CHI) are associated with muscularity and outcomes but require a 24-h urine collection.

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  • Basic combat training (BCT) leads to significant changes in the bone microarchitecture of soldiers, particularly in the tibia, and is influenced by factors like sex and race.
  • A study analyzed 1,605 trainees, measuring bone density and thickness before and after 8 weeks of BCT, finding increases across all groups but notable differences in the degree of change based on sex and race.
  • Female trainees showed greater improvements in trabecular bone metrics compared to males, while white trainees had better outcomes than black trainees in certain bone density measures.
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Article Synopsis
  • - The study investigates how basic training (BCT) affects menstruation in female trainees, specifically looking at whether changes in body mass, composition, or physical activity are linked to menstrual interruptions.
  • - Female trainees were divided into two groups based on their menstrual history: those with regular cycles and those with missed cycles, with assessments done before and after BCT.
  • - Results showed that a significant majority (86%) experienced menstrual changes, with those having regular cycles more likely to retain menstrual periods. Additionally, gaining body mass and lean mass may increase the chances of missing a period during training.
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Spiering, BA, Clark, BC, Schoenfeld, BJ, Foulis, SA, and Pasiakos, SM. Maximizing strength: the stimuli and mediators of strength gains and their application to training and rehabilitation. J Strength Cond Res 37(4): 919-929, 2023-Traditional heavy resistance exercise (RE) training increases maximal strength, a valuable adaptation in many situations.

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Exercise can be both anabolic and catabolic for bone tissue. The temporal response of both bone formation and resorption following an acute bout of exercise is not well described. We assayed biochemical markers of bone and calcium metabolism for up to 3 days after military-relevant exercise.

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Low back pain (LBP) disproportionately impacts US military veterans compared with nonveterans. Although the effect of psychological conditions on LBP is regularly studied, there is little published to date investigating nightmare disorder (NMD) and LBP. The purpose of this study was to (1) investigate whether an association exists between NMD and LBP and (2) estimate the effect of NMD diagnosis on time to LBP.

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Cohen BS, Redmond JE, Haven CC, Foulis SA, Canino MC, Frykman PN, Sharp MA. Occupational Experience Effects on Physiological and Perceptual Responses of Common Soldiering Tasks. J Strength Cond Res 37(4): 894-901, 2023-This study measured the impact of occupational experience (i.

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Background: While statins (3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitors) reduce cardiovascular morbidity and mortality, there is controversy regarding a potentially causal link with incident diabetes mellitus (DM). This association may partially be due to confounding by indication; since prescription guidelines encourage statin use among those diagnosed with DM, this may encourage their prescription among those with elevated blood glucose in the absence of DM diagnosis.

Objective: The study examined the association between low-density lipoprotein (LDL) reduction following initiation of statin use and new-onset DM among veterans.

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Myoglobin (Mb) can react with hydrogen peroxide (H O ) to form a highly active intermediate compound and catalyse oxidation reactions. To enhance this activity, known as pseudo-peroxidase activity, previous studies have focused on the modification of key amino acid residues of Mb or the heme cofactor. In this work, the Mb scaffold (apo-Mb) was systematically reconstituted with a set of cofactors based on six metal ions and two ligands.

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Background: In 2013 the U.S. Army began developing physical tests to predict a recruit's ability to perform the critical physically demanding tasks (CPDTs) of combat arms jobs not previously open to women.

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College alcohol beliefs (e.g. "College is a time for experimentation with alcohol") are highly predictive of heavy drinking and its consequences.

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Objective This project aims to use our robust women's health patient data to analyze the correlation between cytology and high-risk human papillomavirus (Hr-HPV) testing, study the performance of Hr-HPV testing for detecting cytology lesions, and examine epidemiologic measures of human papillomavirus (HPV) infections in the women's veteran population. Methods We collected patient data from 2014 to 2020 from our computerized patient record system. We performed HPV assays using the cobas® 4800 system (Roche Diagnostics, Basel, Switzerland).

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Introduction/background: As a proxy for adiposity, body mass index (BMI) provides a practical public health metric to counter obesity-related disease trends. On an individual basis, BMI cannot distinguish fat and lean components of body composition. Further, the relationship between BMI and body composition may be altered in response to physical training.

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