re: Derrius Guice putting in work

quote:

---

But I do worry about that power clean box jump exercise...that looks dangerous on the knees. Anyone else agree? Never seen anyone do that.

---

Back in the day, Chris Jackson did the poor man's version, literally.

In his front yard, he would jump up from the grass with ankle weights and land up on his higher porch. Explains his underrated but explosive 42" vertical.