A study recently published within the journal advocates the mixture of resistance training with creatine supplementation as a protected and effective strategy for the prevention and treatment of sarcopenia.
Sarcopenia is an age-related musculoskeletal disorder characterised by reduced functionality, muscle strength and muscle mass. It will possibly result in antagonistic consequences similar to lower quality of life and impaired physical function, and can also be related to cognitive decline within the elderly. Sarcopenia is a reversible condition and its prevalence increases with age. Various non-pharmacological interventions can be found to counteract the progression of sarcopenia in older adults.
Physically inactive and sedentary older adults have a lower myofibrillar protein synthesis response to dietary protein, which accelerates the progression of sarcopenia. Moreover, age-related anabolic muscle resistance becomes more pronounced with moderate/low protein intake, a typical dietary pattern in older populations. The study emphasizes that a each day intake of at the very least 1.0 g of protein per kilogram of body weight, wealthy in essential amino acids similar to leucine, is crucial for maintaining muscle protein balance. On this context, the current study advocates combining resistance training with creatine supplementation as an efficient strategy for the treatment and prevention of sarcopenia.
Creatine: Essential for vitality
About 95% of creatine is present in skeletal muscle, the remainder is in tissues with high energy requirements. It occurs naturally in meat, poultry and fish and is produced endogenously through reactions within the brain and liver. The estimated each day requirement of creatine is about 2 g/day for a 70 kg man. Nevertheless, research suggests that endogenous creatine synthesis could also be inadequate under pathological or certain physiological conditions.
Creatine monohydrate became popular as a dietary complement in Europe and america (US) following a groundbreaking study in 1992. It has been approved to be used in dietary supplements in several countries, including Brazil, Australia, Canada, Japan, the European Union, and South Korea. Research has shown that creatine monohydrate is effective and protected for people and older adults.
Creatine monohydrate supplementation can safely improve physical performance and training adaptations, no matter age, gender and training interventions. Supplementation protocols similar to an initial loading phase of 20g/day for 5-7 days followed by a maintenance dose of 3-5g/day have shown consistent advantages in increasing muscle performance and muscle mass. Increasing intracellular creatine levels through supplementation promotes satellite cell activation, reduces protein breakdown, and increases muscle mass.
The improvements in cellular bioenergetics resulting from creatine supplementation provide advantages that stretch beyond musculoskeletal tissue to affect the immune system, vascular system, brain, and heart. Moreover, studies suggest that creatine supplementation combined with resistance training may produce more clinically significant effects. Recent evidence also suggests a possible role for creatine in alleviating neurodegenerative diseases, although further research is required to standardize clinical measurements.
Resistance training
Resistance training is a type of strength training that uses various external forces to enhance physical abilities. It has several physical advantages similar to: B. improved endurance, strength, muscle strength and bone mineral density. From a clinical perspective, strength training improves functionality, contributes to cardiometabolic health, and helps prevent psychological problems and neurodegenerative disorders.
Existing guidelines recommend strength training at the very least twice per week, with training intensity starting from moderate to vigorous. Programs should include progressive strength training with as much as 10 exercises targeting major muscle groups and 8-12 repetitions per exercise. Studies suggest that strength training also needs to include compound movements and strength/explosion training to optimize advantages in older adults. Recent studies have shown that each high- and low-frequency resistance training can effectively improve skeletal muscle mass, muscle strength and quality in older women with sarcopenia.
Advantages of Strength Training and Creatine Supplementation
Combining creatine supplementation during resistance training can maintain each physical and mental abilities and alleviate sarcopenia and associated risks. For instance, a recent meta-analysis found that creatine supplementation during resistance training resulted in roughly 1.4 kg greater gains in muscle mass in comparison with resistance training alone. Recent studies have also examined the potential cognitive advantages of creatine, although further research is required to explain the underlying mechanisms. Previously, the authors identified plausible biological regulators that mediate the consequences of creatine supplementation.
They found that cellular allostasis is extremely depending on the creatine kinase/phosphocreatine system, which is crucial for maintaining the balance between cellular mechanics and subcellular energy production. This dependence has been clinically demonstrated by way of high energy phosphates within the brain, processing speed and cognitive performance following a high dose of creatine monohydrate during sleep deprivation. Moreover, one study reported that creatine has a possible role as a neurotransmitter. These results suggest a promising avenue for creatine supplementation in addressing age-related cognitive decline, although standardized assessment tools are needed to verify these advantages.
Concluding remarks
In summary, creatine supplementation combined with resistance training is an efficient and protected approach to treating sarcopenia. There may be evidence that supplementation with creatine monohydrate during a resistance training program increases strength and muscle mass in older adults in comparison with resistance training alone or placebo, no matter dose and frequency. Public health initiatives should promote dietary habits that include creatine-rich foods similar to fish and meat and promote accessible resistance training programs tailored to older adults. Subsequently, the authors recommend implementing public health initiatives that promote the inclusion of creatine-rich foods within the food plan.
Magazine reference:
- Bonilla, DA, Stout, JR, Candow, DG, Daniel, J., M., L., Forbes, SC, Ostojic, SM and Kreider, RB (2024). The Power of Creatine Plus Strength Training for Healthy Aging: Improving Physical Vitality and Cognitive Function. Limits in physiology, 151496544. DOI: 10.3389/fphys.2024.1496544, https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2024.1496544/full

