But on less certain terrain, or steep slopes, they provide useful lateral stability, and many turn to them for help with knee pain.
Different types of transportation will travel better over different terrain, and some methods of transport cannot cross certain terrains at all.
One measure of how long ago the '60s were now, and how deeply they differ from the present, is the extent to which their character is bound up with certain terrains, certain locales.
These machines can only be used in certain terrains, and are expensive to operate.
The small size of the Russell breed, 10" to 12" tall and rectangular in shape, made them an ideal size to be carried horseback in terrier bags, a requisite for certain terrain.
Some races gain benefits such as extra maneuvers or saves if they are at a certain terrain.
It is only possible in certain terrain.
Of course we still have choices, but there is a certain terrain to be crossed.
He further drove home his opinion, describing the betrayal of a certain "undeveloped terrain below" by the jagged, staccato-like movements of the camera work.
The plan also sets aside certain terrain for nonmotorized sports enthusiasts.