Explain the principle of the DXA technique, and provide its standard error of estimate (SEE).
What will be an ideal response?
Dual energy x-ray absorptiometry (DXA) is a method to assess body composition that uses very low-dose beams of x-ray energy to measure total body fat mass, the fat distribution pattern, and bone density (for osteoporosis risk assessment). It is a simple procedure that takes less than 15 minutes and is most frequently used in research and by medical facilities. The SEE for this technique is ±1.8 percent.
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What is the primary difference between a large motor unit and a small motor unit?
A. A large motor unit would only be found in large muscles. B. The number of muscle fibers innervated by a single motor nerve. C. A small motor unit will only be found in slow twitch muscles. D. The number of slow twitch muscles vs. fast twitch muscles.
____________________ ____________________ defines the bodily changes at the cellular level associated with the medication
Fill in the blank(s) with correct word
The scapula moves on the rib cage as a consequence of joint motion actually occurring at the acromioclavicular joint and to a lesser extent at the sternoclavicular joint.
Answer the following statement true (T) or false (F)
Athletes who train too much are said to suffer from overload syndrome
Indicate whether the statement is true or false.