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CHA Muscular System
NCFE Health and Fitness
Question | Answer |
---|---|
How many types of Muscles are found in the body? | Three |
Smooth | Involuntary as they are not under our conscious control. They remain unstrained and do not fatigue. They can work without oxygen |
Cardiac | Involuntary as it is not under our conscious control. They have some striations and do not fatigue. Oxygen dependant. |
Skeletal | Voluntary as it is under our conscious control. They have striations and they fatigue. Can work with or without oxygen. |
Muscles Located in the arm | Biceps and Triceps |
Muscles located in the leg | Quadriceps, Hamstrings & Gastrocnemius |
Muscle located in the chest | Pectorals |
Muscle located in the stomach | Abdominals |
Muscle located in the neck | Trapezius |
Muscles that work in pairs are called - | Antagonistic pairs |
The muscle that contracts is called - | Agonist |
The muscle that relaxes is called - | Antagonist |
Slow Twitch Fibre Characteristics | Resistant to fatigue/contract slowly/produce less force |
Type 1 Performance | Training at low intensity / Higher reps |
Fast Twitch Fibre Characteristics | Fatigue Easily, Contract fast, Produce great force |
Type 2 Performance | Training at high intensity/ Lower reps |