Eccentric muscle contractions occur when
A) a person slowly lowers a heavy weight.
B) no tension is developed in the muscle.
C) a person rapidly raises a lighter weight.
D) the length of the muscle decreases.
Answer: A) a person slowly lowers a heavy weight.
You might also like to view...
Which of the following muscles is not a muscle of the trunk?
a. rectus abdominis b. iliopsoas c. internal oblique d. external oblique
A patient with Syndrome X can exhibit which of the following common conditions?
A. High blood sugar levels, low blood pressure, high blood level of HDL B. High blood sugar levels, high blood pressure, high triglycerides C. Low blood sugar levels, low blood pressure, high triglycerides D. Low blood sugar levels, high blood pressure, low blood level of HDL
What are the matrix rings of compact bone that surround the central canal of each osteon?
A. Circumferential lamellae B. Perforating canals C. Canaliculi D. Concentric lamellae E. Interstitial lamellae
When an enemy cell is present, a(n) ________ secrete perforins, which bore a hole in the enemy cell membrane
A) antibody B) interferon C) natural killer cell D) interleukin E) opsonization