Category Archives: Skeletal Muscle

How Does Protein Build Muscle?

Skeletal muscle is made up predominantly of protein. When we eat animal flesh we are eating their muscle, along with any associated fat and a small amount of carbohydrate stored in skeletal muscle as glycogen. Skeletal muscle is made up … Continue reading

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Weight Loss Causes Skeletal Muscle Loss: More Evidence

The mainstream solution to weight gain is a forced calories restriction diet and aerobic exercise. These are often used in combination in order to elicit a ‘negative energy balance’ which is assumed will cause weight loss. Often weight loss does … Continue reading

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Higher Protein Intakes Can Benefit the Elderly

Individuals with more skeletal muscle tend to be healthier than those with less. Skeletal muscle mass is directly proportional to resting metabolic rate and so those with more lean mass will have higher metabolic rates and are therefore usually leaner. … Continue reading

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Protein and Vitamin D For Strength in Old Age?

Fat free mass is inversely associated with mortality. This relates in part to the fact that as people age muscle mass naturally decreases, which is in part caused by the natural reduction in hormones including growth hormone, testosterone and insulin … Continue reading

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Fat Loss: Protein Is Pivotal

Dietary protein is important because it is the main source of nitrogen (protein is made of chains of amino acids, and all amino acids contain at least one nitrogen group). Without adequate nitrogen, the natural turnover of the skeletal muscle … Continue reading

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Leucine Builds Muscle: More Evidence

High protein diets are beneficial to weight loss. The exact reason for this is not clear but may relate to the availability of protein to build skeletal muscle. As skeletal muscle tissue increases in mass, body composition improves because the … Continue reading

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Skeletal Muscle Growth: Prioritise The Essential Amino Acid

Skeletal muscle is stimulated to grow during the periods of recovery following exercise, most usually resistance training. However, for this to happen stimulation from the diet in the form of protein is required. In particular, it is known that certain … Continue reading

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Whey Protein: The Leucine Threshold

Powdered whey protein is a useful supplement. It provides a simple and cost effective solution to those wishing to increase protein intake. Whey protein holds a number of advantages over other proteins, and in particular, the proteins in whey have … Continue reading

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Whey, Casein and Soy Protein

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Fish Oils, Insulin Sensitivity and Muscle Mass

Insulin sensitivity refers to the ability of cells to respond to the hormone insulin. Cells possess insulin receptors on their cell membranes and these receptors bind insulin that circulates in the blood following release from the pancreas. Once activated by … Continue reading

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