During long flights, it is recommended that you move your foot up and down periodically, forcing contractions of the muscles in the calf. How would this help with circulation?
A) Contraction of the muscles increases heart rate and burns calories, keeping the heart strong and assisting in maintaining healthy weight.
B) Contraction of muscles stimulates the arteries to vasodilate, reducing blood pressure.
C) Contraction of the leg muscles stimulates baroreceptors to signal the autonomic nervous system to decrease blood pressure and heart rate from
D) Contraction of the leg muscles squeezes leg veins, which function as a pumping mechanism to return deoxygenated blood to the heart.

Question

Quizplus · Accepted Answer

Contraction of the leg muscles acts as a pump to help return blood to the heart, combating the effects of prolonged sitting, such as blood pooling in the legs, which can lead to discomfort, swelling, or in severe cases, deep vein thrombosis (DVT).

During Long Flights, It Is Recommended That You Move Your