Download 3) Questions on Muscles

Muscle Questions
1. The only movement a muscle can do is contract. This means that they
become ______________. Skeletal muscles are attached to bones by
_________________. When muscles contract they become
_____________. This causes the attached bones to
____________________.
2. Why does the body shiver when it is cold?
3. Muscles work in pairs. When one muscle contracts the other must
__________________.
4. An example of a pair of muscles working together are the
______________ and the ___________________.
5. The muscles named above work together to produce two movements,
flexion and extension (bending and straightening) a joint. Briefly
describe what must happen to each muscle for each movement to be
accomplished.
6. Muscles contract when they receive an impulse that divides out into
many receptors buried throughout the muscle called
________________.
7. The site where a muscle attaches to a stationary bone is called the
________________ of the muscle. Where it attaches to the bone that
will move during the contraction is called the ______________ of the
muscle.
8. When a tendon becomes inflamed, it is referred to as
_______________.
9. In order for the body to maintain an upright position both muscles in a
pair must ____________ ____________________.
10.Fill in the following:
What muscle is contracting when you:
Straighten your arm? _________________________
Bend over? _________________________________
Raise your arms to the side? ___________________
Bend your knee? ____________________________
Point your toes? _____________________________