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What are the 4 types of tissue in the body?
What are the three types of muscle?
What is the function of skeletal muscle?
- Movement of the skeleton
- Maintains posture
- Provide a source of nutrients
- Supports and protects organs/structures
Skeletal muscle (tissue) is?
Skeletal muscle fibers only
Skeletal muscle (organ) is?
- Skeletal muscle fibers
- Blood vessels and nerves within muscle
- Supporting connective tissue
- Muscle nuclei
- Single muscle fiber
What is perimysium?
Each fasiculus or bundle is surrounded by connective tissue called perimysium
What is epimysium?
Fibres within each bundle are surrounded by more connective tissue called endomysium
Blood and nerve supply run through?
Perimysium & Endomysium
What are the skeletal muscle actions and muscular compartments?
- Agonist - prime mover (muscle contraction chiefly responsible for a movement)
- Antagonist– opposes an agonist, its function is opposite
- Synergist– helps an agonist
- Fixator– stabilises prime mover
Function of a tendon is?
To attach muscle to bone
An aponeurosis is?
A broad strand of connective tissue that attaches muscle to fascia/muscle to bone/muscle to muscle.
Gross anatomy of a muscle is important for function
- Sites of attachment
- Orientation/arrangement of fascicles
Origin vs Fixed end of muscle attachment
- Origin = immovable/fixed end (usually proximal)
- Insertion = moveable end/attachment site (usually distal)
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