Ascending or descending ladders, stairs, scaffolding, ramps, poles, ropes, and the like, using the feet and legs and/or hands and arms.
Going up or down ladders, stairs, scaffolding, poles or ropes.
Climbing is the activity of using one's hands and/or one's feet to ascend a steep object. It is pursued both recreationally, either to get to a destination otherwise inaccessible, or for its own enjoyment, and also professionally, as part of activities such as maintenance of a structure, or military operations.