I, on the other hand, was dying from running up a flight of stairs. At the time ... being that anything which makes me feel this bad had to make me stronger down the line. I spent the rest ...

slow motion Outdoor shot of fit young woman running up stairs. Female athlete climbing up the steps. Group teenagers running downstairs school corridor. Children stepping stairway. Group of teenagers ...

going up; crutches, bad leg, good leg, going down. Remember these simple tips and always take your time. This will hopefully lessen any anxiety you may have about using the stairs and help reduce your ...

Browse 1,300+ kids running up stairs stock videos and clips available to use in your projects, or start a new search to explore more stock footage and b-roll video clips. Group teenagers running ...