PHYSIOLOGY
SKELETAL MUSCLE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Skeletal muscles may be named based on the number of origins. Which of the following muscle groups has 4 origins?
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quadriceps
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biceps
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triceps
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pectoralis
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Explanation:
Detailed explanation-1: -The quadriceps femoris muscle translates to “four-headed muscle” from Latin. It bears this name because it consists of four individual muscles; rectus femoris, vastus medialis, vastus lateralis, and vastus intermedius.
Detailed explanation-2: -Anatomists name the skeletal muscles according to a number of criteria, each of which describes the muscle in some way. These include naming the muscle after its shape, size, fiber direction, location, number of origins or its action. Muscle Shape: The names of some muscles reflect their shape.
Detailed explanation-3: -Rectus femoris. Vastus lateralis. Vastus medialis. Vastus intermedius (see links for further elaboration)
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