Question

Recent research suggests that there is a link between _______ and low-back pain.

a. smoking
b. PNF stretching
c. alcohol consumption
d. treadmill usage

Which one of the following types of stretching is largely impractical for most exercisers?
a. Static
b. Dynamic
c. Ballistic
d. PNF

Answer 1

for the second one the right answer is D. PNF

Answer 2

a for the first one hop this helps