Flashcards in PT Test Deck (20):
What is the function of the tricuspid valve?
Prevents backflow of blood to the right atrium.
What is the fundamental unit of muscle contraction?
Which chamber of the heart is responsible for pumping oxygenated blood to the body?
What is the natural curve in the lumbar region of the spine?
Adenosine triphosphate production via "anaerobic" glycolysis is associated with the significant
formation of what by-product?
The changes in muscle size associated with long-term resistance training is most likely due to
increases in _____.
muscle fiber cross-sectional diameter
Downhill walking/jogging/running is characterized by eccentric activation of which of the following
What is the typical resting blood pressure response to long term aerobic exercise in a
Both systolic and diastolic pressures will decrease.
How does heart rate increase in relation to work rate and oxygen uptake during dynamic exercise?
Which cardiovascular training approach, if repeated frequently, is most likely going to lead to
Two consecutive intensive days, followed by one easy day
What feature is unique to skeletal muscle as compared to cardiac muscle?
Requires nervous system stimulation
What is the correct path of blood flow through the chambers of the heart?
Right atrium; right ventricle; left atrium; left ventricle
What respiratory muscles can cause forceful expiration?
Which of the following occurs when walking or running up an incline?
Greater flexibility of the soleus
What two muscles, along with the supraspinatus and infraspinatus, make up the rotator cuff?
Teres minor and subscapularis
What muscle action will most likely induce delayed onset muscle soreness?
What occurs to a muscle during the eccentric movement phase of an exercise?
Lengthens while contracting
What is the primary muscle group involved in trunk flexion while standing during the eccentric
phase of the movement?
What muscle extends the forearm?