3: The Psychology of Exercise Flashcards
Body system composed of cardiovascular and respiratory systems?
cardiorespiratory system
a system of the body composed of the heart, blood, and blood vessels:
cardiovascular system
a hallow muscular organ that pumps a circulation of blood through the body by means of rhythmic contraction:
heart
what does the cardiovascular system provide the kinetic chain;
O2
nutrients
protective agents
means to remove waste by-products
*ensures optimal cellular function within the kinetic chain
where is the heart positioned:
Obliquely in the center of the chest (thoracic cavity), lying anteriorly to the spine and posteriorly to the sternum
The space in the chest between the lungs that contains all the internal organs of the chest, except the lungs:
mediastinum
what is the size and weight of the typical adult heart:
adult heart:
size of adult fist, weighs approx 300g (10oz)
what is another term for the heart muscle:
cardiac muscle
*is considered an involuntary muscle
superior chamber of the heart that receives blood from the veins and forces it into the ventricles:
atrium
inferior chamber of the heart that receives blood from its corresponding atrium and , in turn, forces blood into the arteries:
ventricle
____ _____ gathers deoxygenated blood returning to the heart from the entire body:
right atrium
internal rotation refers to the rotation of a joint toward the ____ of the body:
middle
____ refers to a position away from the center of the body or the point of reference:
distal
an anatomical position on the opposite side of the body is called:
contralateral
a force that produces rotation is called ____:
torque
a bending movement in which the relative angle between two adjacent segments decreases is called ______:
flexion
a(n) _____ muscle action accors when a muscle is exerting force greater than the resistive force, resulting in shortening of the muscle:
Concentric
the _____ _____ bisects the body into right and left sides:
sagittal plane
shoulder elevation refers to the ____ motion of the scapula:
superior
this controls rhythm of heart beats; pacemaker of the heart:
sinoatrial node
The sinoatrial node controls the ____ of heart beats:
rhythm
Are the atria the top or bottom chambers of the heart:
top
Are the ventricles the top of bottom chambers of the heart:
bottom
______ is the process by which a living organism assimilates food and uses it for growth and repair of tissues:
nutrition
