Drawing/designing pivot points on legs?

Retired Products Animate Tips and Tricks
1

let’s say if I have a character shot from the profile view. How do I draw the pivot points so I can smoothly animate the legs? and if you don’t mind giving tips on arm/shoulder connection pivot points too I would appreciate it a lot

2

Articulations:
http://docs.toonboom.com/help/animate-pro/#HAR/Stage/011_Character_Building/028_H2_Fixing_the_Articulations.html

https://www.toonboom.com/resources/video-tutorials/video/articulations-part-1

https://www.toonboom.com/resources/video-tutorials/video/articulations-part-2

Patch Articulation:
http://docs.toonboom.com/help/animate-pro/#HAR/Stage/011_Character_Building/071_H2_Patch_Articulation.html

Rigging a Character
https://www.toonboom.com/resources/tips-and-tricks/rigging-animated-characters

https://www.toonboom.com/resources/video-tutorials/video/rigging-part-1-animate-pro

https://www.toonboom.com/resources/video-tutorials/video/rigging-part-2-animate-pro