For the deformed hip this is the solution ...

1. Select your calf bone / lower leg bone
2. Bone Constraints Properties panel
3. Change Pole Angle to -90 degree.

For the deformed hip this is the solution ...

1. Select your calf bone / lower leg bone
2. Bone Constraints Properties panel
3. Change Pole Angle to -90 degree.

Other Observations Additionally, I have observed that your rig would greatly benefit from collar bones which were missing.