click below
click below
Normal Size Small Size show me how
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 |