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Agonists, Antagonists, Stabilisers

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Agonist: hamstring
Antagonist: quadriceps
stabiliser: abdominal muscles
joint movement: knee flexion.      - hip flexion

the hamstrings are the agonist muscles, they contract and shorten to allow knee flexion.
The quadriceps are the antagonists muscle and they lengthen to support the downward motion

the abdominal muscles contract to control the movement and support the spine.

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Stabilisers; assist with force production, support the spine and support the body

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Stabilisers; assist with force production, support the spine and support the body

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Fixators; support muscle at the origin
Synergists: stabilise joint at insertion point

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SUPPORTER
supports the movement through lengthening or extension movements

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PRIME MOVER
creates the most for force the movement to occur, contract (shortens)

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muscles connects to the bone that it will move or pull on

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muscle connects to a stable bone - the point where the muscle will point towards

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recruitment of fibres increases as muscular force increases
https://www.youtube.com/watch?v=0XhSlRkytkE

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anaerobic energy system
(doesnt reuire 02)
- rapid/ power/ speed events
- rapid/ contraction speeds
- low mitochondria
- high content of anaerobic fuel stores

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- aerobic energy system
(aerobic require 02)
- endurance events
- slow contraction speed
- high count of mitchondria
- high conent of myoglobin
- high amount of aerobic fuel stores

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Fast and Slow Twitch Fibres

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Functions;
- support posture
- stability of joints/skeletal system
- storage fuels

Skeletal Muscles (voluntary)
Smooth Muscles (involuntary - requires no conscoous thought control as it happens automically)
Cardiac Muscles (involuntary)

Tendons (bones to muscles)
Ligaments (bone to bone)
Epimysium (tissue that surrounds tissue muscle)