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trooper149

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    Human Health

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  1. I understand the factual differences between both types of muscle fibre but how would they differ in a cross section? If you can refer to any sties/books on muscle fibre composition and differences that would be appreciated.
  2. I understand that the GI Index measures how quickly a substance releases carbohydrate. Why isn't the same structure applied to foods containing protein because protein does contain the same calories as carbs per gram and they can be used as an energy source?
  3. Recently I have come across a few sources that have stated the existence of a type III muscle fibre. The theory is that by subjecting the body to different forms of physical exercise ranging from high and low intensity cardio to high and low intensity strength training in the same workouts, you stimulate the growth of all different muscle fibres. Over time the muscle "morph" together to form a hybrid fibre which is able to sustain large amounts of work over a long duration. The background information is based on the training and demands of ancient warriors such as the Gladiators, Spartans and Vikings. The Vikings for example would have to row for days on end across rough seas then beach their longboats and proceed to carry them over rough terrain while also transporting supplies with full gear. After this they would then have to fight a battle and then continue trekking, etc. Here are some of the sources: youtube-strengthcamp len shwartz ori hofmekler I am unsure if this is true but if there is any scientific evidence that people could put forward, it would be appreciated.
  4. I have been researching into muscular growth and the science behind it and I am unsure about the volume of sarcoplasm between different muscle fibre types. I understand that in sarcoplasmic hypertrophy (type IIA fibres) there is an increase in sarcoplasm volume and less myofilament construction. I understand that in myofibrillar hypertrophy (type IIB fibres) there is an increase in myofilament construction but little increase in sarcoplasm volume. However in muscular cardio (type I fibres) is there an increase/decrease in sarcoplasm or myofilament volume/construction. I know that there are alot of blood vessels that contain myoglobin which transport away waste materials and sustain oxygenation in the sarcomeres, and also transport glucose from broken down triglycerides, does this cause for there to be a reduction in the need for sarcoplasm volume? How does this affect the number and thickness of myofilaments in the sarcomere? Any reference, or further advice on this topic would be appreciated.
  5. I want to be able to find out the force I can generate with strikes and blows but I don't know and can't find any companies that supply pressure mats.
  6. I have been researching into muscular growth and the science behind it and I am unsure about the volume of sarcoplasm between different muscle fibre types. I understand that in sarcoplasmic hypertrophy (type IIA fibres) there is an increase in sarcoplasm volume and less myofilament construction. I understand that in myofibrillar hypertrophy (type IIB fibres) there is an increase in myofilament construction but little increase in sarcoplasm volume. However in muscular cardio (type I fibres) is there an increase/decrease in sarcoplasm or myofilament volume/construction. I know that there are alot of blood vessels that contain myoglobin which transport away waste materials and sustain oxygenation in the sarcomeres, and also transport glucose from broken down triglycerides, does this cause for there to be a reduction in the need for sarcoplasm volume? How does this affect the number and thickness of myofilaments in the sarcomere? Any reference, or further advice on this topic would be appreciated.
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