Skeletal Muscle Mechanics

Question 1

The greater the preload, the greater or lesser the passive tension in the muscle?

Answer 1

the greater the passive tesnion

Question 2

What is the shape of the active tension curve?

Answer 2

bell shaped

Question 3

What is the total tension of a muscle?

Answer 3

sum of passive and active tension

Question 4

What is maximum velocity of a muscle determined by?

Answer 4

(Vmax) is determined by muscles ATPase activity.

Question 5

White muscle mass?

Answer 5

large mass

Question 6

White muscle ATPase activity?

Answer 6

fast muscle

Question 7

Does white muscle have a high capacity for anaerobic glycolysis or aerobic?

Answer 7

anaerobic

Question 8

Does white muscle have high or low myoglobin levels?

Answer 8

low myoglobin

Question 9

Red muscle mass?

Answer 9

small mass per motor unit

Question 10

Red muscle ATPase activity?

Answer 10

slower muscle

Question 11

Does red muscle have a higher capacity for anaerobic glycolysis of aerobic?

Answer 11

aerobic

Question 12

Does red muscle have high or low myoglobin levels?

Answer 12

high myoglobin content which give red color