From a5a80b105c73cce69a57ffd0d56eb293cba090e2 Mon Sep 17 00:00:00 2001 From: hubertharman7 Date: Thu, 2 Apr 2026 21:38:04 +0800 Subject: [PATCH] Add Changes in hormonal profiles during competition preparation in physique athletes --- ...uring-competition-preparation-in-physique-athletes.md | 9 +++++++++ 1 file changed, 9 insertions(+) create mode 100644 Changes-in-hormonal-profiles-during-competition-preparation-in-physique-athletes.md diff --git a/Changes-in-hormonal-profiles-during-competition-preparation-in-physique-athletes.md b/Changes-in-hormonal-profiles-during-competition-preparation-in-physique-athletes.md new file mode 100644 index 0000000..5c7f5b7 --- /dev/null +++ b/Changes-in-hormonal-profiles-during-competition-preparation-in-physique-athletes.md @@ -0,0 +1,9 @@ +
+
Baseline pre-test (PRE) was obtained before the dieting phase for the competition, MID one week before the competition, and POST after the recovery period. Scores remained stable for female COMP participants (from 0.68 ± 0.85 to 0.68 ± 0.84) and for male COMP participants (from 0.75 ± 1.13 to 0.78 ± 1.02) (Fig. 1). The mood and menstrual function of female participants were evaluated monthly throughout the study, focusing on aligning these assessments with laboratory visits at the PRE, MID, and POST time points for analysis. We excluded female participants using any form of contraceptive from the final analyses of ACTH, FSH, estradiol, and SHBG. Building upon the procedures delineated by Isola et al. (2023), this study further scrutinized the energy dynamics among physique athletes through EI tracking from nutrition logs and calculated EEE from detailed training logs. The complete training data was available for a subset of COMP across different study phases, providing insights into the training volumes undertaken during the competition and recovery periods. Adhering to inclusion criteria, participants were amateur competitors (COMP) aiming for fat loss while maintaining muscle mass for the national championships or were non-competing controls (CTRL). +Attention, memory, and spatial ability are key cognitive functions affected by testosterone in humans. Conflicting results have been obtained concerning the importance of [testosterone price](https://mobishorts.com/@refugiacapps62?page=about) in maintaining cardiovascular health. These include adult-type body odor, increased oiliness of skin and hair, acne, pubarche (appearance of pubic hair), axillary hair (armpit hair), growth spurt, accelerated bone maturation, and facial hair. The levels remain in a pubertal range for a few months, but usually reach the barely detectable levels of childhood by 4–7 months of age. Testosterone can either directly exert effects on target tissues or be metabolized by 5α-reductase into dihydrotestosterone (DHT) or aromatized to estradiol (E2). In general, androgens such as [buy testosterone cream online](https://ripematch.com/@robkahle267840) promote protein synthesis and thus growth of tissues with androgen receptors. +There is no FDA-approved androgen preparation for the treatment of androgen insufficiency; however, it has been used as an off-label use to treat low libido and sexual dysfunction in older women. There is a time lag effect when testosterone is administered, on genital arousal in women. Men who watch sexually explicit films also report increased motivation and competitiveness, and decreased exhaustion. Men who watch a sexually explicit movie have an average increase of 35% in testosterone, peaking at 60–90 minutes after the end of the film, but no increase is seen in men who watch sexually neutral films. +Many of the men's physique competitors are not above 200 lbs and have a bit of a more attainable and aesthetic physique in comparison to open-bodybuilders. The main difference between the two is that men's physique competitors pose in board shorts rather than a traditional posing suit and open-bodybuilders are much larger and are more muscular than the men's physique competitors. Like open-bodybuilding, the federations in which bodybuilders can compete are natural divisions as well as normal ones. Due to the growing concerns of the high cost, health consequences, and illegal nature of some steroids, many organizations have formed in response and have deemed themselves "natural" bodybuilding competitions. In the modern bodybuilding industry, the term "professional" generally means a bodybuilder who has won qualifying competitions as an amateur and has earned a "pro card" from their respective organization. Although doping tests occurred, the majority of professional bodybuilders still used anabolic steroids for competition. were Mr. America, Mr. World, Mr. Universe, Mr. Galaxy, and ultimately Mr. Olympia, which was started in 1965 by the IFBB and is now considered the most important bodybuilding competition in the world.|The decrease in insulin was accompanied by reduced blood glucose as reported by us earlier from this cohort. While mood and strength changes were observed, no changes in BMD were detected. Thus, four participants in COMP experienced menstrual irregularities during the study period. A–D Absolute changes in cortisol, TES/COR ratio, ACTH, and FSH in COMP and CTRL groups from PRE to MID and MID to POST.|Regular participation in bodybuilding has been linked to increased psychological resilience, improved mood, and greater overall well-being. Another widely discussed topic is mental health within bodybuilding, as the psychological challenges mentioned above can affect hobby lifters of all ages and backgrounds.citation needed Although social media is giving more attention to the world of bodybuilding, there are still some areas that are controversial. The advent of social media had a profound influence on fitness and bodybuilding. However, this effort was unsuccessful, and Olympic recognition for bodybuilding remains controversial, as many argue that it is not truly a sport. It gained full IOC membership in 2000 and attempted to have bodybuilding approved as a demonstration event at the Olympics, with the hope that it would eventually become a full contest.|During repetitions 2–6, participants exerted maximum effort during the isometric (bottom) and concentric (upward) phases, with no force exerted at the top or during the downward motion. The first repetition involved no force to familiarize participants with the motion. Participants were secured with four-point belts to prevent movement, and all equipment adjustments were documented for consistency in the subsequent assessments. Participants received detailed procedural instructions and performed a standardized warm-up of 20 bodyweight squats and 10 lunges per leg. The strength measurements were conducted 2–4 h after participants arrived at the study site.|However, bodybuilders frequently do ingest some quickly digesting sugars (often in form of pure dextrose or maltodextrin) just before, during, and/or just after a workout. This is important as high-glycemic carbohydrates cause a sharp insulin response, which places the body in a state where it is likely to store additional food energy as fat. Proteins, carbohydrates and fats are the three major macronutrients that the human body needs to build muscle. In either case, there is an increase in both size and strength of the muscles (compared to what happens if that same individual does not lift weights at all), although the emphasis is different. Intensive weight training causes micro-tears to the muscles being trained; this is generally known as microtrauma. While it can lead to quick weight gain and increased muscle mass due to the abundance of calories, it also typically results in a significant increase in body fat. "Dirty bulking" is often favored by bodybuilders in the off-season who are looking to rapidly increase size and strength without worrying about fat gain.|Testosterone levels do not rely on physical presence of a partner; testosterone levels of men engaging in same-city and long-distance relationships are similar. Married men who engage in bond-maintenance activities such as spending the day with their spouse or child have no different testosterone levels compared to times when they do not engage in such activities. Falling in love has been linked with decreases in men's testosterone levels while mixed changes are reported for women's testosterone levels. Women's level of testosterone is higher when measured pre-intercourse vs. pre-cuddling, as well as post-intercourse vs. post-cuddling. Every mammalian species examined demonstrated a marked increase in a male's testosterone level upon encountering a novel female.|Studies have found that testosterone facilitates aggression by modulating vasopressin receptors in the hypothalamus. Higher testosterone levels in men reduce the risk of becoming or staying unemployed. If a father's testosterone levels decrease in response to hearing their baby cry, it is an indication of empathizing with the baby. For instance, fluctuation in [buy testosterone pills](http://47.103.159.168:10012/tristannowell) levels when a child is in distress has been found to be indicative of fathering styles. While the extent of paternal care varies between cultures, higher investment in direct child care has been seen to be correlated with lower average testosterone levels as well as temporary fluctuations. Fatherhood decreases testosterone levels in men, suggesting that the emotions and behaviour tied to paternal care decrease testosterone levels. Single men who have not had relationship experience have lower testosterone levels than single men with experience.|Agnathans (jawless vertebrates) such as lampreys do not produce testosterone but instead use androstenedione as a male sex hormone. Greatly differing amounts of testosterone prenatally, at puberty, and throughout life account for a share of biological differences between males and females. Androgen receptors occur in many different vertebrate body system tissues, and both males and females respond similarly to similar levels. Higher pre-natal [testosterone store](http://101.37.147.115:3000/angelosantoro7) indicated by a low digit ratio as well as adult [buy testosterone cream online](https://clashofcryptos.trade/wiki/User:RileyUky1382657) levels increased risk of fouls or aggression among male players in a soccer game. The same research found fathers (outside competitive environments) had the lowest testosterone levels compared to other males. This reaction engages penile reflexes (such as erection and ejaculation) that aid in sperm competition when more than one male is present in mating encounters, allowing for more production of successful sperm and a higher chance of reproduction.|The competition was promoted by Bernarr Macfadden, the father of physical culture and publisher of original bodybuilding magazines such as Health & Strength. The first large-scale bodybuilding competition in America took place from December 28, 1903, to January 2, 1904, at Madison Square Garden in New York City. The focus was not on their physique, and they possessed relatively large bellies and fatty limbs compared to bodybuilders of today. Bodybuilders prepare for competitions by exercising and eliminating non-essential body fat.} +Moreover, the conversion of testosterone to estradiol regulates male aggression in sparrows during breeding season. A few studies indicate that the testosterone derivative estradiol might play an important role in male aggression. One study found that administering testosterone increased verbal aggression in some participants. +Energy deficiency also reduces muscle strength, power, and endurance, and can cause mood disturbances, anxiety, and depression. Affecting both male and [hikvisiondb.webcam](https://hikvisiondb.webcam/wiki/Testosterone_Tracker_App_Track_TRT_Injections) female athletes, RED-S leads to hormonal imbalances, decreased bone mineral density, and weakened immune function. The off-season focuses on muscle growth through balanced nutrition and resistance training (Mursu et al. 2023). This study investigates hormonal changes and their physiological and performance impacts during such preparation. +The funders had no role in the study’s design, data collection, analysis, interpretation, manuscript writing, or the decision to publish the results. The financial support from the Finnish Fitness Sports Association was specifically allocated to cover research-related costs, such as hotel accommodation for participants who traveled long distances and required lodging before the next day’s fasted measurements. Celcius Finland Oy is also thanked for the participants’ breakfast. Although many effects of LEA and symptoms of RED-S are observable, our study, along with our previous findings (Isola et al. 2023), indicates that a single 21-week weight loss period does not produce long-term detrimental effects on performance or skeletal health. However, the nutritional data is likely to be accurate, considering that physique athletes are known for their strict adherence to diet plans and their expertise in accurately weighing their food portions (Sarin et al. 2022). However, the interaction between the hypothalamic–pituitary–adrenal (HPA) axis and the HPG axis may vary between sexes, influencing hormonal responses and adaptations during periods of energy deficit and stress (Pasiakos et al. 2019). Elevation of cortisol is typically linked to LEA, suggesting an adaptive response to energy stress (Mountjoy et al. 2023). +
\ No newline at end of file