Muscles Flashcards
Functions of muscles
Movement
Support
Protection
Heat generation
Name the types of muscles
Smooth muscle
Cardiac muscle
Skeletal muscle
Smooth muscle is…
Non striated, elongated, spindle-shaped, voluntary
Smooth muscle is found in
Internal organs + blood vessels
Cardiac muscle is…
Striated, involuntary
Cardiac muscle is found in…
The heart (not blood vessels)
Skeletal muscle is…
Striated, voluntary + multinucleated
Skeletal muscle is found
Attached to bones via tendons
Origin
The stationary bone
Insertion
The bone that moves
properties of skeletal muscle
Excitability, contractability, extensibility, elasticity
Types of movement
Flexion
Extension
Rotation
Abduction
Adduction
Flexion
Decreasing the angle of the joint
Extension
Increasing the angle of the joint
Rotation
Turning away a joint
Abduction
Moving away from the midline
Involuntary muscle movement is controlled by…
Automatic nervous system
Voluntary movement is controlled by the…
Somatic nervous system and the process of coluntary reflex arcs
Muscle gets energy from…
Blood sugar absorbed through nutrition
Name 2 factors of muscle movement
Chemical reactions in the cell
Messages from the nervous system
Name 3 diseases/disorders of the muscular system
Arthritis
Carpal tunnel syndrome
Multiple sclerosis
Reasons to treat a patients hand instead of the foot
Foot infection
Broken foot
Who controls the involuntary muscles
The medulla oblongata - rod shaped part of the brain below the cerebrum, which controls actions like breathing and our heartbeat
