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QOL, and anxiety levels among BCS. Randomized controlled trial. Twenty-five BCS (aged 54.6 ± 5.5 years) were randomized into RT or control groups. THZ531 concentration The RT group performed 8 weeks of RT (once per week). Fatigue was assessed using the Piper Fatigue scale, QOL was assessed using the SF-36, and anxiety was assessed using the STAI State-Trait Anxiety Inventory. Resistance training significantly improved the following subscales of SF-36 aspects of physical functioning (+27%, p = 0.027); physical role functioning (+54%, p = 0.008); emotional role functioning (+42%, p = 0.027); and mental health (+16%, p = 0.032). Furthermore, RT improved fatigue levels (-55%, p = 0.001 for general fatigue) and anxiety (anxiety state, -19%, p = 0.012; anxiety trait, -23%, p = 0.001). Resistance training seemed to be a positive nonpharmacological tool for the reduction of fatigue, anxiety, and for improvement of several aspects of QOL in BCS.
Sekiguchi, Y, Curtis, RM, Huggins, RA, Benjamin, CL, Walker, AJ, Arent, SM, Adams, WM, Anderson, T, and Casa, DJ. The relationships between perceived wellness of, sleep of, and acute chronic training load on National Collegiate Athletics Association division I male soccer players. J Strength Cond Res 35(5) 1326-1330, 2021-The purpose of this study was to investigate relationships between perceived wellness, sleep, and acute chronic workload ratio (ACWR) throughout a collegiate men's soccer season. Sixty male collegiate soccer players (mean[M] ± SD; age, 21±2 year; body mass, 77.6 ± 6.5 kg; height, 180.1 ± 6.4 cm; body fat%, 9.9 ± 3.9% ; and V̇o2max, 53.1 ± 5.0 ml·kg-1·min-1) participated in this study. During each session, players used a heart rate and global positioning satellite-enabled chest strap to measure training impulse and ACWR. The ACWR values were trichotomized at the individual level giving an equal number of observations within each ACWR category of low, moderate, and high ACWR (M ± SD; low, 0. 0.36], 0.23, p less then 0.001). Stress levels were significantly greater when the ACWR was high compared with low (0.19, [0.08, 0.29], 0.18, p less then 0.001) and compared with moderate (0.15, [0.05, 0.25], 0.14, p = 0.004). There were no differences in sleep duration or sleep quality in different ACWR. The ACWR may be a useful tool to achieve an appropriate balance between training and recovery to manage daily fatigue and soreness levels in athletes.
Martínez-Gómez, MG and Roberts, BM. Metabolic adaptations to weight loss A brief review. J Strength Cond Res XX(X) 000-000, 2021-As the scientific literature has continuously shown, body mass loss attempts do not always follow a linear fashion nor always go as expected even when the intervention is calculated with precise tools. One of the main reasons why this tends to happen relies on our body's biological drive to regain the body mass we lose to survive. This phenomenon has been referred to as "metabolic adaptation" many times in the literature and plays a very relevant role in the management of obesity and human weight loss. This review will provide insights into some of the theoretical models for the etiology of metabolic adaptation as well as a quick look into the physiological and endocrine mechanisms that underlie it. Nutritional strategies and dietetic tools are thus necessary to confront these so-called adaptations to body mass loss. Among some of these strategies, we can highlight increasing prot in the literature and plays a very relevant role in the management of obesity and human weight loss. This review will provide insights into some of the theoretical models for the etiology of metabolic adaptation as well as a quick look into the physiological and endocrine mechanisms that underlie it. Nutritional strategies and dietetic tools are thus necessary to confront these so-called adaptations to body mass loss. Among some of these strategies, we can highlight increasing protein needs, opting for high-fiber foods or programming-controlled diet refeeds, and diet breaks over a large body mass loss phase. Outside the nutritional aspects, it might be wise to increase the physical activity and thus the energy flux of an individual when possible to maintain diet-induced body mass loss in the long term. This review will examine these protocols and their viability in the context of adherence and sustainability for the individual toward successful body mass loss.
Kristiansen, M, Thomsen, MJ, Nørgaard, J, Aaes, J, Knudsen, D, and Voigt, M. The effect of anodal transcranial direct current stimulation on quadriceps maximal voluntary contraction, corticospinal excitability, and voluntary activation levels. J Strength Cond Res XX(X) 000-000, 2020-Anodal transcranial direct current stimulation (a-tDCS) has previously been shown to improve maximal isometric voluntary contraction (MVIC), possibly through an upregulation of corticospinal excitability. Because muscle strength is an essential part of the performance of many sports, any ergogenic effect of a-tDCS on this parameter could potentially increase performance outcomes. The purpose of this study was to investigate the effect of a-tDCS on MVIC, voluntary activation levels (VALs), and corticospinal excitability, assessed by eliciting motor-evoked potentials (MEPs), in untrained subjects. Thirteen subjects completed 2 test sessions in which they received either a-tDCS or sham stimulation for 3 consecutive intervals of 10 a-tDCS in combination with sporting performance in which the intent is to increase maximal isometric strength performance in the quadriceps muscle of healthy subjects.
Fields, JB, Lameira, DM, Short, JL, Merrigan, JM, Gallo, S, White, JB, and Jones, MT. Relationship between external load and self-reported wellness measures across a collegiate men's soccer preseason. J Strength Cond Res 35(5) 1182-1186, 2021-Monitoring athlete training load is important to training programming and can help balance training and recovery periods. Furthermore, psychological factors can affect athlete's performance. Therefore, the purpose was to examine the relationship between external load and self-reported wellness measures during soccer preseason. Collegiate men soccer athletes (n = 20; mean ± SD age 20.3 ± 0.9 years; body mass 77.9 ± 6.8 kg; body height 178.87 ± 7.18cm; body fat 10.0 ± 5.0%; V̇o2max 65.39 ± 7.61ml·kg-1·min-1) participated. Likert scale self-assessments of fatigue, soreness, sleep, stress, and energy were collected daily in conjunction with the Brief Assessment of Mood (vigor, depression, anger, fatigue, and confusion). Total distance (TD), player load (PL), high-speed disHSD. In addition, negative morning mood states inversely predicted HSD (p = 0.011), TD (p = 0.002), and PL (p less then 0.001) for that day's afternoon practice. Using self-reported wellness measures with GPS/GNSS technology may enhance the understanding of training responses and inform program development.
The purpose of this study was to assess the influence of exposure to the open Bankart during residency and fellowship on the trend toward obsolescence of the procedure. Our hypothesis was that the open Bankart would be used with decreasing frequency and that this would be related to lack of exposure to the procedure during training.
A survey consisting of 10 questions about their experience with the open Bankart procedure in residency, fellowship, and practice, as well as their current usage of it and other operations, was sent to members of the American Shoulder and Elbow Surgeons. Respondents were divided into groups based on the year of completion of training.
Statistical analysis of the responses revealed a notable trend of progressively diminished use of the open Bankart by those trained before 2000 compared with those completing training between 2001 and 2017. Ancillary findings included more surgeons using the open Bankart for revision cases than as a primary procedure and many using the Latarjet for patients with less than 15% or even no glenoid bone loss.
We concluded that a statistically notable trend of the decreasing use of the open Bankart was observed despite excellent reported outcomes and that its current role is most likely as a revision procedure. Lack of exposure to the operation in training is a major factor in its decline, and this decreasing exposure is self-perpetuating.
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Radiofrequency turbinate volume reduction (RFTVR) is an effective treatment of inferior turbinate hypertrophy. RFTVR can reduce epithelial cell alterations in nasal mucosa. The aim of this observational study was to evaluate the effects of RFTVR on nasal obstruction and cytology, stratifying for different types of rhinitis.
Nasal cytology and subjective nasal obstruction were evaluated on 113 patients before RFTVR (T0) and after 3 months (T1). The patients were divided into groups on the basis of the underlying disease allergic rhinitis, nonallergic rhinitis, rhinitis medicamentosa, and other diseases (e.g., hormonal-based turbinate hypertrophy).
Nasal cytology at T0 identified 42 patients with allergic rhinitis, 40 with nonallergic rhinitis, 19 with rhinitis medicamentosa, and 12 with other diseases. An improvement of nasal cytology at T1 was observed in 29.2% of cases. They mainly consisted of patients with nonallergic rhinitis with neutrophils, whose neutrophil infiltrate decreased. Only 2 cases (1.7%) showed a worsening of nasal cytology at T1. A statistically significant decrease in subjective nasal obstruction was observed for every group (p < 0.05). Higher differences of nasal obstruction between T0 and T1 were found in patients with rhinitis medicamentosa or other diseases.
RFTVR represents a safe and effective treatment for turbinate hypertrophy of various etiology. It is not responsible for a worsening of inflammatory infiltrate of the nasal mucosa.
RFTVR represents a safe and effective treatment for turbinate hypertrophy of various etiology. It is not responsible for a worsening of inflammatory infiltrate of the nasal mucosa.
Due to increasing lifespan, global aging rates are rising rapidly and age-associated diseases are increasing. To ensure that health span is concomitant with life span, a greater understanding of cellular mechanisms of aging is important.
Telomere length analysis from a wide range of tissues from weaning, young adult, and middle-aged (3, 12 and 52 week) male Wistar rats were conducted using Southern blotting. Telomere lengths were compared between tissues and ages using regression models based on the ratios of longest-to-shortest telomere fragments.
Robust linear age-dependent telomere attrition was observed in the liver; 3 versus 12 weeks, 3 versus 52 weeks (p < 0.01), 12 versus 52 weeks (p < 0.05) and the heart; 3 versus 12 weeks (p < 0.05) and 3 versus 52 weeks (p < 0.001). More subtle shortening was observed in aorta and epididymal fat; 3 and 12 versus 52 weeks (p < 0.001) and in skeletal muscle; 3 versus 52 weeks (p < 0.05), 12 versus 52 weeks (p < 0.01). Young thymus telomeres nerability to the aging process. In the future, this may help target potential interventions to improve health span.
We show wide variations between tissues in vulnerability to the aging process. In the future, this may help target potential interventions to improve health span.
