1. Muscular System

2. Types of Muscles

6. { Deltoid Biceps Triceps Muscles of the Arm

7. { Quadriceps Adductor Longus Muscles of the Front of the Legs

8. { Glutes Hamstrings Gastrocnemius Muscles of the Back of the Leg

9. { Trapezius Latissimus Dorsi Muscles of the Back

10. { Pectoralis Deltoid Abdominals Muscles of the Front

11. Slow Twitch Muscle Fibers (Type I) – used for muscular endurance activities, long duration contraction, contains myoglobin Slow Twitch Muscle Fibers (Type I) – used for muscular endurance activities, long duration contraction, contains myoglobin  Examples – jogging, swimming, biking Fast Twitch Muscle Fibers (Type II)– used for muscular strength activities, white muscle, short duration contraction Fast Twitch Muscle Fibers (Type II)– used for muscular strength activities, white muscle, short duration contraction  Examples – Sprinting, weight lifting, tennis Intermediate (Type IIa) – mix between Types I & II Intermediate (Type IIa) – mix between Types I & II Types of Muscle Fibers

13. https://www.youtube.com/watch?v=2tM1LFFxeKg https://www.youtube.com/watch?v=2tM1LFFxeKg https://www.youtube.com/watch?v=2tM1LFFxeKg Muscles are injured by exposing muscles to resistance Muscles are injured by exposing muscles to resistance Muscles are repaired & adapt to new demands Muscles are repaired & adapt to new demands Muscles need protein, vitamins, hormones & water to repair themselves Muscles need protein, vitamins, hormones & water to repair themselves https://www.youtube.com/watch?v=DHgR8jlNW60 https://www.youtube.com/watch?v=DHgR8jlNW60 https://www.youtube.com/watch?v=DHgR8jlNW60 How Do Muscles Grow