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This study aimed to form late and evaluate a natural massage oil preparation using a combination of lavender, citronella, and chamomile essential oils with olive oil as the carrier oil. The background of this research was based on the increasing public demand for natural body care products that are safe, non-irritating to the skin, and provide relaxation effects. The three essential oils used possess therapeutic activities, including relaxation, antimicrobial, anti-inflammatory effects, as well as the ability to relieve stress and muscle tension. The study employed three formulation variations (F1, F2, and F3) with different compositions of essential oils. The evaluation of the preparations included organoleptic tests, pH measurement, viscosity, specific gravity, physical stability testing, hedonic testing, and irritation testing. The organoleptic test results showed that all formulations had a liquid form, a deep light-yellow color, and a characteristic aroma corresponding to the dominant essential oil in each formulation. The pH values of all formulations were stable at 5, indicating safety for skin application. Viscosity values were within the ideal range for massage oil, between 4.124–4.735 cPs, and specific gravity values were within the standard range. Stability testing over 28 days revealed no significant changes in color, aroma, pH, or viscosity. The irritation test indicated that none of the formulations caused skin irritation in panelists. Hedonic testing showed that formulation 2 was the most preferred in terms of aroma, while formulation 3 was preferred for texture. Overall, all three formulations were considered stable, safe, and well accepted by consumers, indicating their potential use as natural massage oil products.

The cosmetic industry continues to grow rapidly along with the increasing demand for natural-based body care products, one of which is massage oil. Essential oils such as lavender, citronella, and chamomile are known to have synergistic effects as relaxation agents, anxiety reducers, and anti-inflammatory agents. To support the safety and effectiveness of their use, the selection of appropriate carrier oils, such as olive oil, almond oil, and virgin coconut oil (VCO), is required due to their good penetration ability and moisturizing properties. This study aimed to determine the effect of variations in carrier oils on the physical and sensory characteristics of aromatherapy massage oil preparations and to identify the most optimal formulation. The research was conducted experimentally by formulating three massage oil formulations using a combination of lavender, citronella, and chamomile essential oils with different carrier oil compositions. The evaluations included organoleptic tests, pH, viscosity, specific gravity, stability, irritation tests, and hedonic tests. The results showed that all formulations were liquid, homogeneous, stable for 28 days, had pH values within the normal skin pH range, met the required viscosity and specific gravity standards, and did not cause skin irritation. Based on the hedonic test, formulation F2 was the most preferred by respondents and was determined to be the best formulation due to its most favorable aroma, texture, and comfort during use. Therefore, variations in carrier oils influence the characteristics of massage oil preparations and enable the determination of the optimal formulation

Introduction: Maximal oxygen volume (VO2max) is the capability of the cardiorespiratory system to deliver oxygen to muscle mitochondria, which is directly proportional to the level of stamina and is obtained from physical activity. Central obesity, which is characterized by excessive accumulation of visceral fat, can cause decreased stamina, so individuals with central obesity tend to have lower VO2max values. VO2max values can be determined by body composition, such as waist circumference, which is an indicator of central obesity. Methods: This study used an observational analytical design with a cross-sectional approach and involved 54 male respondents with high physical activity jobs who worked as building construction workers in Medan City, North Sumatra Province. Waist circumference measurements were carried out using a measuring tape, while VO2max was assessed using a 6-minute walk test. Statistical analysis was performed using the Spearman correlation test with a significance level of 0.05. Results: A total of 47 respondents (87%) had a normal waist circumference, 31 respondents (57.4%) had a fair VO2max, and 16 respondents (29.6%) had an average VO2max. The analysis showed a significant relationship between waist circumference and VO2max, with a P value of 0.000 (P<0.05) and R = -0.658. Conclusion: There is a strong and significant negative correlation between waist circumference and VO2max. This indicates that a larger waist circumference results in a lower VO2max, and a smaller waist circumference results in a higher VO2max.

Background: Hand grip strength is an essential indicator of physical capacity and nutritional status that can identify obesity risk. Adipose tissue accumulation in central obesity contributes to decreased hand grip strength quality through impaired muscle force transmission. Previous studies showed inconsistent results regarding the relationship between waist circumference and hand grip strength, especially in populations with high physical activity. Objective: To analyze the relationship between waist circumference and hand grip strength in male construction workers with high physical activity in Medan City. Methods: This descriptive-analytic study with cross-sectional design involved 100 male construction workers aged 30-39 years selected using purposive sampling technique. Waist circumference was measured using measuring tape, while hand grip strength was measured using handgrip dynamometer. Data analysis used Chi-Square test with significance level α=0.05. Results: The majority of respondents had normal waist circumference (64%) with mode 70 cm and normal grip strength category (53%) with mode 41.7 kg. Chi-Square test showed significant relationship between waist circumference and hand grip strength (p=0.039). Conclusion: There is a significant relationship between waist circumference and hand grip strength in construction workers. High physical activity does not completely prevent central obesity, therefore nutritional management and health education programs are needed for optimization of body composition and muscle functional capacity.

Antibiotics are one of the main pillars in the treatment of bacterial infections and have contributed significantly to increasing human life expectancy. However, long-term use of antibiotics has serious consequences for the balance of the body's microbiome, especially the gut microbiome which plays an important role in maintaining homeostasis through the regulation of the immune system, metabolism, and protection against pathogens. This literature review aims to comprehensively analyze the impact of long-term antibiotic use on the structure, diversity, and function of the human microbiome. The scientific articles reviewed were obtained from PubMed, Scopus, ScienceDirect, and Google Scholar databases, including empirical research, systematic review, and meta-analysis published in the last ten years. The results showed that prolonged exposure to antibiotics consistently decreased microbiota diversity, altered the composition of bacterial communities, and triggered dysbiosis, which is often persistent even when therapy is stopped. Dysbiosis is associated with impaired immune system function, increased systemic inflammation, risk of allergic and metabolic diseases, and potential disorders on the intestinal-brain axis. This impact is more pronounced in vulnerable groups such as neonates and children, especially when exposure occurs during a critical period of development. In conclusion, long-term antibiotic use has broad systemic implications, so a more rational, prudent, and sustainable use strategy is needed to maintain the health of the human microbiome.

This study aimed to analyze differences in body composition among adult women across three regions with distinct sociocultural and environmental characteristics: Baduy Luar (rural–traditional), Salatiga (semi-urban), and Kota Bambu (urban). Using a cross-sectional design, the study involved 268 participants and assessed total body fat, visceral fat, subcutaneous fat, and skeletal muscle mass using the OMRON HBF-370 analyzer. Significant differences were observed across most body composition parameters (p < 0.001). Women living in the urban area exhibited the highest levels of total fat, visceral fat, and subcutaneous fat, reflecting the influence of urbanization and sedentary lifestyle on adiposity. Conversely, women in the rural–traditional community demonstrated the highest skeletal muscle mass across all body regions, consistent with their physically demanding daily activities and traditional dietary patterns. These findings highlight the substantial role of environmental context in shaping metabolic health and cardiometabolic risk. Targeted public-health interventions—such as structured physical-activity promotion and nutrition education in urban populations, and preservation of active lifestyles in rural communities—are recommended. Longitudinal studies are warranted to clarify causal pathways and further characterize metabolic determinants.

This study aims to evaluate the relationship between skinfold calliper measurements and handgrip strength with segmental fat and muscle composition among adults in Kota Bambu, providing evidence for simple and applicable community-based screening tools. A cross-sectional design was applied to 135 participants aged 18–96 years. Skinfold thickness was assessed at four anatomical sites (biceps, triceps, suprailiac, scapular), handgrip strength was measured using a digital dynamometer, and segmental body composition was obtained via bioelectrical impedance analysis. Findings demonstrated a moderate positive correlation between handgrip strength and arm skeletal muscle mass (r = 0.371–0.407; p < 0.01), indicating that handgrip performance reflects segmental muscle contractility and functional reserve. Skinfold measurements showed moderate-to-strong positive correlations with both local and central subcutaneous fat distribution (r = 0.562–0.635; p < 0.01), confirming their sensitivity in estimating segmental adipose accumulation. These results highlight that calliper and handgrip strength can serve as practical, low-cost preliminary screening indicators for mapping muscle and fat distribution in urban communities, although they are not substitutes for comprehensive body composition assessment. Further longitudinal studies integrating advanced physiological and functional parameters are recommended to enhance predictive validity and clinical applicability.

The normal flora of chickens refers to the microbial communities that naturally inhabit the gastrointestinal tract and body surfaces of chickens, playing a crucial role in health, digestion, and immunity. This community consists of beneficial bacteria such as Lactobacillus, Bifidobacterium, and Bacillus, which assist in feed fermentation, vitamin synthesis, and inhibition of pathogenic growth. Additionally, the normal flora may include potential pathogenic bacteria such as Escherichia coli, Salmonella spp., and Campylobacter, which can cause diseases if microbial balance is disrupted. The diversity and balance of the microbiota are influenced by various abiotic factors, including feed quality, access to clean water, ambient temperature, humidity, and environmental hygiene. Biotic factors, such as microbial interactions, rearing systems, and contact with other animals, also play a significant role in determining microbial composition. Several studies have shown that the use of feed additives, such as probiotics and phytogenics, can enhance populations of beneficial bacteria while suppressing pathogenic bacteria. Extensive rearing systems, which provide chickens with more space and exposure to natural environments, tend to increase microbiota diversity compared to semi-intensive systems with more restricted conditions. Understanding these factors is essential for developing effective health management strategies and optimizing safe and sustainable poultry production.

This study aims to analyze the effect of using cassava (Manihot esculenta crantz) as a carbohydrate-based feed ingredient on body weight gain in beef cattle. The review was conducted using a descriptive literature study approach based on sixteen scientific articles discussing the nutritional composition, processing methods, and performance responses of beef cattle fed cassava-based diets. The analysis shows that cassava contains 17.45–88.6% dry matter, 2.4–21.45% crude protein, and 11.35–92.2% nitrogen-free extract, with variations influenced by plant part, processing method, and hydrocyanic acid (HCN) content. Processing techniques such as fermentation and ensiling can reduce HCN levels by more than 70% while increasing crude protein content up to 25%, thereby improving digestibility and feed efficiency. The inclusion of cassava in the form of flour, dried chips, pulp, or fermented peel consistently enhances dry matter intake and average daily gain (ADG) of beef cattle at inclusion levels of 20–50% in the diet. Overall, cassava has strong potential as a locally available, economical, and sustainable feed ingredient to improve beef cattle productivity.

Air gaps between the probe and the skin surface can produce shadowing artifacts in the presented image. With the help of gel pad Artefact Shadowing can be minimized. However, in ultrasound examination Shoulder ultrasound examination performed with the patient sitting, it is possible that the gel pad is not stay consistently on the examined area. This is due to the pull of the earth's gravity, so the gel pad sheet model is still less supportive for this examination. support for this examination. The aim of this study was to develop a product design in the form of a Gel-based auxiliary applicator to optimize the examination of the Shoulder ultrasound examination, which has been tested for function based on the aspects of comfort and quality of quality of the resulting image. The Research and Development study was conducted with a multidimentional approach, resulting in a product that was tested for comfort by sonographers and tested for comfort by sonographers and image quality by radiologists. interpretation of radiologists. Data processing was done by conducting comparison of ultrasound examination of Supraspinatus Tendon in patients with body weight below 18.5 based on BMI calculation by using standard gel and by using the product, 30 samples each. The product design consists of gel pad and silicon rubber RTV-48. With the composition of the gel pad is gel wax and paraffin (5% of gel wax). Where silicon is designed with a thickness of 2 mm resembling the thickness of human skin. Product test results obtained that the comfort aspect is more optimal with the product than without using the product.

Diabetes Mellitus is a complication caused by severe disturbances, particularly in the metabolic composition of carbohydrates, fats, and proteins in the body. The level of patient compliance in taking medication is one of the factors that determine the success of diabetes mellitus therapy. Compliance with treatment plays a crucial role in controlling metabolic conditions, especially in diabetes mellitus patients. The impact of non-compliance with medication in type II diabetes mellitus patients will increase uncontrolled blood sugar levels, which can lead to various complications of organ damage. The purpose of this study was to examine the relationship between medication compliance and blood sugar levels in type 2 diabetes mellitus patients at Harapan Anda Islamic Hospital in Tegal City. This study used a quantitative cross-sectional approach. The sample size was 58 respondents using a purposive sampling technique. Data analysis techniques used univariate and bivariate analysis (chi-square). Characteristics of 58 patients suffering from type 2 diabetes mellitus at Harapan Anda Islamic General Hospital, Tegal City, most of them are aged 46-60 years, with female gender, with most of them having junior high school education, some with working status, with a duration of suffering for >5 years, most with moderate medication adherence and most with normal blood sugar levels. There is a relationship between medication adherence and blood sugar levels in type 2 diabetes mellitus patients at Harapan Anda Islamic General Hospital, Tegal City (0.000). It is hoped that it can provide valuable information for diabetes sufferers about the importance of medication adherence to blood sugar levels so that blood sugar levels can be controlled.

Background: Regular physical activity has a significant impact on improving the quality of health in all age groups. One of the main factors causing the increasing prevalence of Non-Communicable Diseases (NCDs) such as diabetes, heart disease, and obesity is lack of physical activity. Data from various studies show that increasing physical activity and fitness levels can reduce the relative risk of death by 20% to 35%. This condition shows that physical activity is not only important for maintaining fitness, but also has a vital role in preventing premature death caused by chronic diseases. Objective: This study aims to systematically examine the benefits of physical activity on health and fitness through a systematic review of 13 relevant scientific articles. Results: The findings show that regular physical activity can improve and maintain muscle and bone health, reduce the risk of chronic diseases such as diabetes, heart disease, and obesity, and reduce symptoms of mental disorders such as depression and schizophrenia. In addition, physical activity also plays a role in improving psychological well-being. Conclusion: Consistent physical activity contributes to the primary and secondary prevention of various chronic diseases, reduces the risk of premature death, maintains a balanced body composition, and supports optimal organ function. This results in a healthier, fitter body, and individuals being more productive in their daily activities.  

The magnesium alloy AZ31B is increasingly used in biomedical applications, particularly as an implant material, due to its relatively low aluminum content and mechanical properties that closely resemble those of bone. Additionally, AZ31B exhibits corrosion resistance that is suitable for biological environments. These properties make it a promising material for bone implants. However, one of the main challenges in using magnesium is its high degradation rate in the body, which can affect the stability and function of the implant. Therefore, surface modification is necessary to control the degradation rate and enhance the material's durability. One effective method to reduce the corrosion rate of AZ31B is the Plasma Electrolytic Oxidation (PEO) technique. PEO can form a hard, protective oxide layer on the surface of the metal, which helps improve its corrosion resistance. This study aims to explore the effect of the mass composition of hydroxyapatite (HAp) and tricalcium phosphate (TCP) on the PEO coating formed on the AZ31B substrate. The compositions used in this study were 70%:30%, 50%:50%, 40%:60%, and 60%:40%, with an electrolyte solution containing Na₂SiO₃ (2.5 g/L) and KOH (2 g/L). Corrosion characteristics of the coating were evaluated using two methods: weight loss and polarization tests. The results showed that the 70%:30% HAp:TCP composition provided the most optimal results. The polarization test recorded a corrosion rate of 0.22 mpy, while the weight loss test showed a corrosion rate of 0.29 mpy. These findings indicate that the PEO coating with the 70%:30% HAp:TCP composition effectively reduces the corrosion rate of AZ31B, enhancing its potential for biomedical implant applications, particularly in environments where corrosion resistance is crucial for long-term performance in the body.

Futsal is a high-intensity team sport that requires a combination of speed, agility, and physical endurance, particularly cardiorespiratory endurance. Cardiorespiratory endurance is crucial because it directly relates to a player's ability to maintain optimal performance throughout a match, particularly when facing fast-paced and stressful play. Therefore, variables that can influence this ability, such as body composition and nutritional status, are crucial in developing athlete performance. One indicator that can be used to measure nutritional status and body composition is the Body Mass Index (BMI), which is obtained by measuring weight and height. BMI not only reflects whether a person is within the ideal weight range but also potentially influences the efficiency of the body's organs, including the cardiovascular and respiratory systems. In the context of futsal, players with a higher BMI tend to have a higher body weight, which can hinder movement efficiency and increase fatigue during matches. Conversely, players with a lower BMI may have insufficient energy reserves and muscle mass to maintain stamina during matches. This study shows a significant negative relationship between BMI and cardiorespiratory endurance in futsal players at Bali International University. The results of statistical tests using the Spearman rank correlation method showed a correlation coefficient (r) of -0.504 with a significance value of p = 0.005. This indicates that the higher a player's BMI, the lower their cardiorespiratory endurance tends to be. These findings support the importance of ideal body weight management in futsal athlete training, both through dietary adjustments and measured physical exercise programs.

This study aims to determine the characteristics of somatotype and body composition of swimmers from Flam Aquatics Club in Kediri City. A quantitative descriptive approach was used with a cross-sectional study design. The sample consisted of 10 swimmers aged 9–17 years, selected through purposive sampling. Somatotype was measured using the Heath-Carter method, while body composition was assessed using a Bioelectrical Impedance Analysis (BIA) scale. Data analysis was performed using Microsoft Excel 2012. The results showed that male swimmers were predominantly of the Central somatotype (4 athletes), while female swimmers were evenly distributed between Endomorphic Ectomorph and Ectomorphic Endomorph types (2 athletes each). The average body composition of male swimmers included muscle mass of 34.48 kg, bone mass of 1.88 kg, fat mass of 5.07 kg, and body fat percentage of 10.65%. For female swimmers, the average muscle mass was 27.7 kg, bone mass 1.5 kg, fat mass 5.25 kg, and body fat percentage 15.08%. It can be concluded that male athletes tend to have a Central somatotype, while female athletes are equally divided between two somatotype categories. The highest bone and fat mass in female athletes was found in those with the Ectomorphic Endomorph type.

This study aims to analyze the relationship between workload and lunch energy distribution on the body composition of employees at Fatimah Hospital Lamongan. A Cross-Sectional analytical observational design was applied with 45 respondents selected using simple random sampling. Data collection included physical workload assessment based on SNI 7269:2009, lunch energy calculations using the Indonesian Food Composition Table, and body composition measurement using Bioelectrical Impedance Analysis (BIA) with the Omron HBF-214 device. The Sapiro-Wilk test showed the data were nor normally distributed (p = 0.000), hence spearman’s test was user for bivariate analysis. The result indicated a significant relationship between workload and body composition (p = 0.001), as well as between lunch energy distribution and body composition (p = 0.044). these findings emphasize the importance of managing workload and adequate lunch energy intake to maintain optimal body composition and employee productivity.

Subcutaneous fat deposition is a key factor influencing overall health, playing a significant role in metabolic regulation, energy balance, and the risk of chronic diseases such as obesity and cardiovascular conditions. Understanding and accurately predicting subcutaneous fat accumulation is critical for early intervention and effective management of these health risks. This study aims to analyze the correlation between hemoglobin levels, uric acid, and anthropometric parameters as predictors of subcutaneous fat deposition in elderly individuals. A cross-sectional study was conducted on 32 elderly participants at St. Asisi Church. Anthropometric measurements, including body weight, height, muscle composition, and circumferences, were assessed using OMRON Body Composition Monitor HBF-375, elastic tape and GEA Medical HT721. Biochemical tests for hemoglobin and uric acid levels were performed using Fora 6 Plus. Spearman correlation analysis was used to evaluate the relationship between these variables and subcutaneous fat deposition. Body weight, upper arm circumference, abdominal circumference, and calf circumference showed strong positive correlations with subcutaneous fat (r>0.9, p<0.001). Skeletal muscle percentage exhibited a negative correlation with fat accumulation. Hemoglobin and uric acid levels had weaker correlations, suggesting more complex metabolic interactions. Anthropometric parameters serve as strong predictors of subcutaneous fat deposition in elderly individuals, while hemoglobin and uric acid levels show limited predictive capability.

The performance of pencak silat athletes is influenced by several important factors including physical condition, technique, tactics and psychology. This study aims to determine the body composition, level of nutritional knowledge, and endurance of pencak silat athletes. The type of quantitative research uses a non-experimental observational research design, the participants of this study were 20 Lumajang pencak silat athletes, consisting of 9 male athletes and 11 female athletes. The data in this study were obtained from body composition measurements using the Onemed 825 scan body fat scale, nutritional knowledge level tests from the adoption of the Nutrition for Young and Adult Athlete (NUKYA) questionnaire, and endurance tests using the Beep test. The results of the study showed differences in body composition in male and female athletes in terms of body weight indicators, Fat Free Mass (FFM), Skeletal Muscular Mass (SMM) and Body Mass Index (BMI). The athlete's body composition must be improved in the upper extremity muscle mass of the left and right arms and left and right fitness for female and male athletes and reduce fat mass for female athletes. The level of nutritional knowledge is higher for male athletes with fairly good scores and good endurance levels for both female and male athletes. For coaches, it is recommended to provide weight training programs for athletes with Circuit Training and for athletes to be more active in reading and understanding athlete nutritional knowledge.

Normal Weight Obesity (NWO) is a condition in which an individual has a normal weight but a high body fat percentage, increasing the risk of metabolic diseases. Early detection through body composition assessments is essential to prevent health complications in individuals with normal weight but imbalanced body composition. Activities include health education, body composition assessments, and the implementation of preventive measures through healthy lifestyle changes. Assessment results indicate that some individuals have a high body fat proportion despite having a normal weight range. The education provided enhances participants' understanding of NWO risks and the importance of balanced body composition to maintain metabolic health. Body composition assessments in the productive age group enable early detection of body component imbalances not visible through weight alone. Preventive measures such as balanced nutrition and regular physical activity play a significant role in maintaining a healthy body composition and reducing the risk of NWO. Body composition assessment is an effective preventive strategy to detect NWO and promote a healthy lifestyle in the productive age group.

Increased body fat, especially visceral adipose tissue, is associated with metabolic syndrome and other serious health conditions. Early detection of body composition is essential to identify individuals at risk for metabolic and musculoskeletal disorders, such as obesity, cardiovascular disease, diabetes, and sarcopenia. Body composition can be examined using Karada Omron. The purpose of this community service activity is to determine the body composition of productive-age adults. This activity was carried out at Santo Yoseph High School, East Jakarta, involving 69 participants. This activity was designed using the Plan-Do-Check-Action (PDCA) method. The results showed that 11 men (15.94%) and 47 women (68.12%) had above-normal total body fat levels. As for the whole body skeletal muscle mass, 17 men (24.64%) and 33 women (47.83%) had below-normal muscle mass. Education about healthy eating patterns and regular physical activity is part of an effort to increase public awareness of the importance of maintaining a balanced body composition to improve overall quality of life