video instruction

Hi, does anyone know how to make those “fancy” instruction videos, with arrows, lines, frame by frame, slo mo, split screen etc, for example to compare yourself or your student to a pro? Is there a specific software? I was recommended iMovie for video editing in general but don’t know if that...

I'm having a lot of difficulty teaching the 1-handed backhand slice to my 14-yo daughter. Too much rotation, inconsistency, and lack of power (weight transfer). I'm thinking of trying the 2-handed backhand slice with her. This is the best instructional video I could find, from Chris Evert...