KIN 2504 Chapter : KINE 2504 September 15
15 Mar 2019
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Chapter 4: muscular fitness: muscular fitness, the ability of your muscular skeleton to perform daily and recreational activities without fatigue or injury, strength, ability to use maximal force, endurance, the ability to contract repeatedly over time. Improving muscular fitness: weight/resistance training, controlled and progressive stressing of muscular skeletal, how a muscle actually works/what makes up a muscle: system, hundreds in body, 3 types, voluntary, generate body heat, skeletal muscles, allow you to move. Involuntary cardiac muscle: done on its own/don"t have to think about it, heart, pumps blood throughout body. Internal functioning: propels food through gi tract, tendon, attaches muscle to bone, inside of muscle itself: Isotonic: consistent muscle tension, two phases, concentric, deals with overall shortening of muscle, eccentric, overall lengthening of muscle, visible movement, shortening & lengthening. Isometric: consistent muscle lengthening, no visible movement, ex) hold your arm out in front of you but not making a movement, still using muscle but cannot see.
