Giant Muscle Cells Surrounded By A Sheath – Truth About Six Packs Abs

Let’s start with the simplest things and gradually concretize concepts and terms, with whom you will meet when we get to the specific recommendations for the organization of training.
Information Shared By Joey Atlas the author of Truth About Six Packs Abs Program (

Muscle – the main element is stressed in the training process. It is a complex molecular motor capable of directly converting chemical energy into mechanical work. Structural unit of muscle is the muscle fiber (it is of three types, of which in relation to the topic of this book are of particular importance of fast-twitch fibers are responsible for the strength and speed of contraction).

Muscle fiber is a giant muscle cells surrounded by a sheath – the sarcolemma, which is contained within the sarcoplasm, which includes intracellular elements – the nucleus, mitochondria, myofibrils, ribosomes, etc.
Contractile elements of the muscle fiber are myofibrils – muscle filament thickness of 1-2 microns, consisting of thin and thick protofibrils, which are based on the contractile proteins actin and myosin, at the time of the muscular contraction thin drawn into the gaps between the thick, resulting in a reduction of muscle fibers and thus the whole muscle. Located between myofibrils mitochondria – “power station” of muscle fibers containing high-energy phosphate substances and are sources of energy. Sarcoplasm is a system of longitudinal and transverse tubules, membrane vesicles, which bears the name of the sarcoplasmic reticulum, which divides the sarcoplasm to “compartments”, where all the biochemical processes occur.


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