Chapter 9, Problem 9.3a
Match the term with its description:
_____Brevis
_____Digitorum
_____Hallucis
_____Rectus
_____Flexor
_____Pronatora.
a. Related to the fingers/toes
b. Straightc.
c. Short
d.Decreases the angle between bones
e. Turns palm down
f. Related to the hallux (great toe)
Video transcript
If 'adductor' is part of the name of a muscle, what does that tell you about the muscle?
a. It is a wide muscle.
b. It is a long muscle.
c. It raises a body part.
d. It pulls a body part toward the midline.
Explain how the diaphragm muscle is able to increase the size of the thoracic cavity even though it doesn't insert into a bone.
Ms. Cho presents with muscle pain in the area around her anterior neck and superior chest. She explains that she has had a respiratory infection over the past 2 weeks that made it hard for her to breathe. What is likely causing her muscle soreness? (Hint: Remember that the origin and insertion of some muscles can switch and that one likely has to breathe more deeply with a respiratory infection.)
Why do you think that the muscles of the erector spinae and transversospinal muscle groups remain in a state of continual contraction when we are upright?
Elise is a competitive gymnast who strained muscles in her left lower limb doing a tumbling pass. She has pain with extension of her leg and inversion of her foot. Which muscles did she potentially strain?
The action of the biceps brachii muscle on the hinge joint of the elbow is an example of which kind of lever system?
a. First class
b. Second class
c. Third class
d. Fourth class