Explanations

Here's the vocabulary from the video:

1- walk
2- jog
3- run
4- lay down
5- stand up
6- to do a sit-up
7- to do a push-up
8- jump
9- sweat
10- crawl
11- throw
12- catch
13- drop
14- pick up
15- kick
16- step on
17- swing
18- bounce
19- hit
20- squat
21- sit
22- tie / untie
23- stretch
24- drink
25- pack up