Muscular System

Cath Warriner
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Cath Warriner
Created by Cath Warriner over 5 years ago
Cath Warriner
Copied by Cath Warriner over 5 years ago
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Muscular System
1 NAMES OF MUSCLES
1.1 Trapezius
1.1.1 Deltoids
1.1.1.1 Biceps
1.1.1.1.1 Triceps
1.2 Pectorals
1.2.1 Latissimus dorsi
1.2.1.1 Abdominals
1.3 Gluteals
1.3.1 Quadriceps
1.3.1.1 Hamstrings
1.3.1.1.1 Sartorius
1.3.1.1.1.1 Gastrocnemius
2 TYPES OF MUSCLE
2.1 Voluntary
2.1.1 Under our conscious control
2.1.1.1 Skeletal muscles e.g. biceps
2.2 Involuntary
2.2.1 Work automatically, no conscious commands
2.2.1.1 Smooth muscles e.g blood vessels
2.3 Cardiac
2.3.1 Involuntary
2.3.1.1 Works constantly with no rest
3 CONNECTIVE TISSUES
3.1 Ligaments
3.1.1 Bands of white, elastic fibres.
3.1.1.1 Attach bone to bone. They help to stabilise the joint and control the amount of movement at the joint
3.2 Tendons
3.2.1 White, flexible and very strong, non elastic cords
3.2.1.1 Attach muscle to bone
3.3 Cartilage
3.3.1 Shiny, smooth, white covering of the bone
3.3.1.1 Acts as a shock absorber and cushions the impact between the bones
4 TYPES OF MOVEMENT
4.1 Flexion
4.1.1 Decreasing the angle of a joint, the bending of a limb
4.1.1.1 Bicep curl
4.2 Extension
4.2.1 Increasing the angle of a joint, straightening the limb
4.2.1.1 Shot put
4.3 Abduction
4.3.1 The movement of a limb away from the midline of the body
4.3.1.1 Jumping out into a star jump
4.4 Adduction
4.4.1 The movement of the limb towards the midline of the body
4.4.1.1 The breast stroke entering the glide phase
4.5 Rotation
4.5.1 The bone moves freely in a curve
4.5.1.1 Turning your head to breathe in the front crawl
5 MUSCLES WORK IN PAIRS
5.1 Agonist
5.1.1 Working muscle that contracts to create movement
5.1.1.1 Bicep in a bicep curl
5.2 Antagonist
5.2.1 The ralaxing muscle to allow the movement to be created
5.2.1.1 Tricep in a bicep curl
5.3 Origin
5.3.1 The end of the muscle attached to the stationary bone
5.3.1.1 Bicep connected to the scapula
5.4 Insertion
5.4.1 The end of the muscle attached to the moving bone
5.4.1.1 Bicep connected to the radius
5.5 Antagonistic muscle action
5.5.1 Muscles can only PULL

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