Yep, ctrl + shift + arrows:
Parent: ctrl + shift + UP
Child: ctrl + shift + DOWN
Previous Sibling: ctrl + shift + LEFT
Next Sibling: ctrl + shift + RIGHT
Expand/Collapse: ctrl + shift + ENTER
Parent Bone: ctrl + UP
Child Bone: ctrl + DOWN
Previous Sibling Bone: ctrl + LEFT
Next Sibling Bone: ctrl + RIGHT
Settings - Spine User Guide: Hotkeys
