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Все вопросы
- Muscles must be … to improve strength. #41
- Muscles adapt specifically to the nature of the work performed. This is known as #42
- Athletic injuries may occur... #43
- The slow-twitch fibers are recruited for low-intensity activities such as... #44
- High-speed or high-intensity activities include: #45
- Successful distance runners have a … proportion of slow-twitch muscles. #46
- The percentage of slow-twitch fibers is closely related to …oxygen consumption. #47
- Several studies have shown that large numbers of … are a prerequisite for success in progressive resistance training. #48
- Disuse leads to a decrease in strength and muscle mass. This process is called #49
- In … exercise, the muscles maintain a constant length throughout the contraction. #50