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Fitness and Muscle Groups

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PBS InPact at Home - Stretches & Exercises

Stretches and Exercises with guests Kermit and The Count

stretches_and_exercises_2.pdf
File Size: 1676 kb
File Type: pdf
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Fitness Terms & Definitions

Muscular Strength - refers to the amount of force a muscle can produce with a single maximal effort.  Muscle strength is measured during muscular contraction.

Muscular Endurance - is the ability of a muscle or group of muscles to sustain repeated contractions against a resistance for an extended period of time.

​Aerobic Capacity- Another term used for maximal oxygen uptake (VO2 max).
 
Anaerobic Capacity- A measure of anaerobic fitness; the maximal work performed in a short burst of high-intensity exercise.
 
Anaerobic Exercise- Anaerobic means “in the absence of oxygen.”  Anaerobic exercise is performed at an intensity so great that the body’s demand for oxygen exceeds its ability to supply it.
 
Cardiovascular Fitness- The ability of the heart, blood vessels, blood, and respiratory system to supply fuel, especially oxygen, to the muscles and the ability of the muscles to utilize fuel to allow sustained exercise.
 
Fast Twitch (FT) Muscle Fibers- The muscle fibers primarily used in anaerobic exercise or short, explosive exercise such as sprinting.
 
Lactic Acid- Substance that results from the process of supplying energy during anaerobic exercise; a cause of muscle fatigue.
 
Slow Twitch (ST) Muscle Fibers- Muscle fibers primarily used in aerobic or sustained, continuous exercise; also referred to as fatigue-resistant fibers.
 
Active Stretch- Muscles are stretched by the active contraction of the opposing (antagonist) muscle.  For example, when doing a calf stretch exercise, the muscles on the front of the shin contract to cause a stretch of the muscles on the back of the leg.
 
Agonist Muscles- In this concept, agonist refers to the muscle group being stretched.
 
Antagonist Muscles- In this concept, antagonist refers to the muscle group opposing (on the opposite side of the limp from the agonist) the group being stretched.
 
Ballistic Stretch- Muscles are stretched by the force of momentum of a body part that is bounced, swung, or jerked. 

Flexibility- Range of motion (ROM) in a joint or group of joints.  Because muscle length is a major factor limiting the range of motion, those having long muscles that allow for good joint mobility are considered to have good flexibility.
 
Passive Stretch- Stretch imposed on a muscle by a force other than the opposing muscle.  For example: using another person, gravity, an object or another body part
 
Range of motion (ROM)- The full motion possible in a joint
Static Stretch- a muscle is slowly stretched and then held in that stretched position for several seconds

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  • Home/Video links
    • Video Links
    • Kids Heart Challenge
    • Sportsmanship
    • Mr. Mair’s Message
  • Kindergarten - 2nd Grade
    • Locomotor Skills
    • Basketball Skills
    • Throwing and Catching
    • Kicking
    • Hand Striking
    • Striking with an object
    • Dance
  • 3rd Grade - 5th Grade
    • Locomotor Skills
    • Throwing and Catching
    • Soccer Skills
    • Volleyball Skills
    • Basketball Skills
    • Dance
    • Racket Skills
    • Hockey Skills
  • Health/Fitness
    • Stretches and Muscle Groups
    • Stretches and Exercises with Grade Level Sight Words
    • Fitness Log
    • The 5 minute Jog
    • The 5 minute Jump Rope
    • Target ❤️ Range
    • 5 Dot Drills
    • YOGA 🧘🏽
    • Ladder Drills
    • Form Running & Dynamic Stretching
  • High School P.E. & Health
    • Physical Conditioning >
      • Weight Room Safety Rules
      • A I - Physical Conditioning Plan
      • Weight Training Workouts >
        • Leg Exercises & Instructions
        • Arm Exercises & Instructions
        • Back Exercises & Instructions
        • Chest Exercises & Instructions
    • High School Swimming >
      • Swimming Safety Rules
      • Swimming Style Instructions
    • Nutrition >
      • Macronutrient Counting
      • Meal Planning
      • Food Groups
    • Sports Units >
      • Volleyball
      • Soccer
      • Basketball
      • Dance
      • Ultimate Frisbee
      • Disc Golf
      • Floor Hockey
      • Tennis
      • Backyard Olympics
      • Team Hand Ball