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AnatomyPhisiology
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Muscular Fitness
The ability of your musculoskeletal system to perform daily and recreational activities without undue fatigue and injury.
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Muscular Strength
The ability of a muscle to contract with maximal force.
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Muscular Endurance
The ability of a muscle to contract repeatedly over an extended period of time.
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Resistance Training
Controlled and progressive stressing of the body's musculoskeletal system using resistance exercises to build and maintain muscular fitness
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Tendons
The connective tissue attaching muscle to bone
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Muscle Fibers
The cells of the muscular system
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Myofibrils
Thin strands within a single muscle fiber that bundle the skeletal muscle protein filaments an span the length of the fiber.
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Slow-twitch muscle Fibers
Muscle Fiber type that is oxygen dependent and can contract over long periods of time.
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Fast-twitch Muscle Fibers
Muscle fiber type that contracts with greater force and speed but also fatigues quickly.
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Motor Unit
A motor nerve and all the muscle fibers in controls.
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Isotonic
A muscle contraction with relatively constant tension.
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Isometric
A muscle contraction win NO change in muscle length.
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Isokinetic
A muscle contraction with a constant speed of contraction.
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Concentric
A muscle contraction with overall muscle shortening.
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Eccentric
A muscle contraction with overall muscle lengthening.
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Hypertrophy
An increase in muscle cross-sectional area.
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One repetition maximum (1 RM)
The maximum amount of weight you can lift one time.
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Spotter
A person who watches encourages, and, if needed, assists a person who is performing a weight-training lift.
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20 Repetition maximum (20RM)
The maximum amount of weight you can lift 20 times in a row.
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Calisthenics
A type of muscle endurance and/or flexibility exercises that employs simple movement without the use of resistance other than one's own body weight.
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Plyometric exercise
An exercise that is characterized by a rapid deceleration of the body followed by a rapid acceleration of the body in the opposite direction.
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Power
The ability to PRODUCE FORCE QUICKLY!
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Speed
the ability to rapidly accelerate; exercises for SPEED will Increase stride length and frequency.
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Agility
The ability to rapidly change body position or body direction without losing speed, balance, or body control.
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Valsalva Maneuver
The process of holding one's breath whole lifting heavy weight; this practice can increase chest cavity pressure and result in light-headedness during the lift' excessively increase blood pressure can result after the lift and breath are released.
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Ergogenic Aids
Any nutritional, physical, mechanical psychological or pharmacological procedure or aid used to improve athletic performance.
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