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Muscle Physiology PT
Fast and slow twitch muscle fibers
| Question | Answer |
|---|---|
| Which of the muscle fibers are the most efficient and best equipped to extract and use oxygen during energy production? | Oxidative |
| What refers to the speed and force of the muscle contraction? | Contractile |
| What refers to the type of energy production? | Metabolic |
| Which of the skeletal muscle fibers are used mainly for endurance? | Slow Twitch |
| Which of the skeletal muscle fibers are used for burst of speed and aerobics? | Fast Twitch |
| What are the factors that make slow twitch muscle fibers fatigue resistant? | Hgh concentration of OXIDATIVE ENZYMES and a high level of myoglobin. |
| Slow Twitch muscle fibers are also known as _____________? | Type I Muscle Fibers |
| What is Myoglobin a form of? | Hemoglobin |
| What is Hemoglobin? | HEMOGLOBIN is an oxygen carrying component of the red blood cells |
| Where is HEMOGLOBIN found? | HEMOGLOBIN is found in MUSCLE TISSUE |
| What will Training aerobicly help develop? | SLOW TWITCH MUSCLE FIBERS |
| What are the Primary muscles called into action during CRE training? | Slow Twitch Muscle Fibers |
| Fast Twitch is also known as what? | Type II Muscle Fibers |
| Fast Twitch Muscle Fibers are subdivided into what two subtypes? | IIa and IIb |
| Which of the muscle fibers are considered the true Fast Twitch Fibers | IIb is considered the true fast twitch. |
| Which of the muscle fibers are considered intermediate in their contractile speed? | IIa |
| What muscle fibers are well developed capacity for both aerobic and anaerobic energy transfer? | IIa |
| Which of the muscle fibers have the greatest capacity for chemicle transmissions and the highest concentration of enzymes? | IIb |
| What is needed for anaerobic energy transfer? | An high concentrations of enzymes |
| Type IIb muscle fibers rapidly use __________ | Calcium |
| What vitamin needed for all muscle contractions? | Calcium |
| What muscle fibers have the ability to generate fast and forceful contractions but fatigue rapidly? | Type IIb muscle fibers |
| Which of the muscle fibers can increase in size by 70% due to Increased thickness? | Type IIb muscle fibers |
| What type of athlete shows a predominance of slow twitch muscle fibers in the muscles they use most often? | Endurance Athletes |
| Which Athletes show a predominance in fast twitch muscle fibers in the muscles they use for their activity? | Speed and/or power athletes |
| What type of training will help to develop slow twitch muscle fibers? | Aerobic Training will help to develop slow twitch muscle fibers. |
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