Yeah! Seems like the Spirit wanted to drop me right into the action, which I don't mind at all C:
<3 it's not silly! Jumping stilts are - easiest to think of as, like, very powerful springs designed to be strapped onto your feet. (That's not what they look like, because the spring part is just a long piece of bent metal, but I am really bad at freeform drawing so I don't have a good way of showing you what they do look like, sorry!)
(she starts writing much faster as she switches into Infodumping Mode, handwriting quality rapidly deteriorating until it is barely flirting with legibility)
They add like 1.5 feet to your height, weigh like 7lbs each, and are a bit tricky to balance on, especially standing still, but as long as you're moving continuously in them, the springs conserve a lot of your kinetic energy that would normally be lost when you make contact the ground, so even without any kind of super strength you can run really fast in them - at home I could almost keep up with my little brother on his bike, at least until I got tired (which would happen pretty fast! I never had much stamina, before).
Also, because so much energy is being stored-and-released with every step, if you know how to shift your weight / angle your landing correctly, you can change direction very fast, including between horizontal and vertical! Earlier I jumped off a roof to give myself a faster running start, and just now I basically did the reverse! :D)\
...Oooh, when I get the chance to experiment, I should see if I can get Dressing Room to make me a specialized pair that has more powerful springs than the ones they sell back at home. On some of those jumps, I could tell the springs were being fully compressed, and I don't think I was pushing the limits of my Inner Strength...