Kinesiology 2241A/B Lecture Notes - Lecture 14: One-Repetition Maximum, Proprioception, Myocyte
5 Nov 2015
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Plyometrics (i. e. jump rope: stretch muscle then quickly contract muscle first eccentric then concentric contraction safety considerations, physical age, strength of performer. 4. resilient surface & cushioned footwear rebound height no more than 20cm (how high up cg is) absorb shock, take advantage quick stretch, fast contraction body weight accelerate downward, hit ground huge impact quickly explode against resistance. Run, jump, throw strength dominant power lift, push, pull. 33% of 1rm at 33% of max. speed muscle. Power: muscle girth not good indicator about strength and power. Ability of muscle to contract at a given level of intensity for either: a specific number of repetitions, a period of time. Trained via: using more than 6rm per set & multiple sets, keeping reps constant but increasing load, speed endurance work (hold fast tempo) Active flexibility: rom: due to internal torques, usually smaller rom than passive flexibility, use muscles itself.
