Muscle Flashcards
What two factors will result in muscle fatigue ?
Not even oxygen and nutrients
Build up of waste products
What does ATP stand for?
Adenosine triphosphate
In health what is the normal temperature range?
36.1 - 37.2
How many times can a muscle be stretched without rupturing?
Up to three times its contracted length
Define muscle contractility
Ability of a muscle to forcefully shorten
Define muscle extensibility
Ability for a muscle to be stretched
Define muscle excitability
The ability to respond to stimulus
Define muscle elasticity
The ability for muscle to recoil or bounce back to its original length after being stretched
What are the five functions of muscle?
Posture and muscle tone
Stability
Mobility and movement
Circulation
Respiration
Define a myofibril
A very fine contractile fibre group that extend in parallel column along the length of striated muscle fibres
Define sarcomere
Myofibrils made up of many short units that are made up by two types of myofilament known as myosin and actin
Does a skeletal muscle have involuntary or voluntary control?
Voluntary
Does the cardiac muscle have involuntary or voluntary control?
Involuntary
Does the smooth muscle have involuntary or voluntary control?
Involuntary
Where is the cardiac muscle found ?
The wall of the heart