The Muscular System Flashcards
What are the three types of muscle tissue
Cardiac, skeletal, smooth muscle
What is vascular shunting
Increases blood flow from inactive areas to active areas
What is vasodilation
Widening of the lumen to increase blood flow
What is vasoconstriction
Narrowing of the luma. To decrease blood flow
What happens when a muscle contracts
Movement is made
What are the 4 antagonistic pairs
Biceps and triceps
Hip flexors and gluteus maximus
Quadriceps and hamstrings
Tibialis anterior and gastrocnemius
What are the 3 muscel types
Type I
Type IIa
Type IIx
When muckes work arrobically what happens to the lactic acid
It is low
When muscles work anaerobically what happens to the lactic acid
Its high
What is mucke fatigue
The reduction in ability of the muscle to produce force
What is an agonist
The muscle within the pair that is contracting
What is an antagonist
The muscle within the pair that is relaxing
Whats another word for type 1 muscle fibres
Slow twitch
Whats another wordfor type 2 muscle fibres
Fast twitch
What is lactic acid
Muscle fatigue