Muscle Tissue
Cell of muscle
What is muscle fiber.
What Binds to Troponin
Calcium Ions
Muscle tissue that is voluntary
Skeletal Muscle
What are the 4 functions of the muscles?
Movement, producing heat, maintaining posture, moving substances through the body
What are the causes of a muscle cramp?
•Overuse of a muscle
•Dehydration
•Muscle strain
•Holding a position for a prolonged period
Has intercalated disc.
What is cardiac muscle.
What is the function of Tropomyosin
To cover myosin binding sites when muscles are not contracting
Involuntary non-striated muscle
smooth muscle
What is an isotonic contraction and what is an example of an exercise that uses it?
Muscle length does not change like when doing a plank
What causes paralysis?
The nerve supply to a muscle is destroyed, the muscle is no longer stimulated and becomes paralyzed.
Excitable tissues.
What are muscle and nervous tissues.
The thick myofilament is...
Myosin
Muscle found in the heart
Cardiac Muscle
What is an example of an isometric contraction and give an example of an exercise that includes isometric movements.
Muscle length shortens like when doing a bicep curl
What is muscular dystrophy?
A group of genetic diseases in which muscle fibers are unusually susceptible to damage and become weaker over time
Muscle tissue found in blood vessels.
What is smooth muscle.
The thin myofilament is...
Actin
What are the two special features of muscle tissue?
Contractility and Irritability
As we get older what happens to our muscle mass? How can we prevent this?
Muscle mass decreases in older age. Lifting light weights regularly can help prevent this.
What is the difference between a muscle pull and a muscle cramp?
A muscle pull involves damage to muscle tissue but a muscle cramp is uncontrolled contractions. Both are painful!
The perimysium
What is connective tissue around muscle fascicle.
Sarcomere
What is the epimysium?
Outermost covering of muscles
Why do infants only have gross motor skills?
Because the neural system is underdeveloped and does not allow for fine motor movements
What are ways to heal a muscle pull?
Ice, rest, elevation