As per X-ray everything seems to be almost normal.
Next Steps
Ask your husband to :-
1. Perform Ankle Pumps exercises while stright lying on bed/mat.
2. Flexion-Extension of fingers of affected foot.
3. Keep foot elevated for atleast 1/2 an hour in night time before sleep.
4. Apply compression bandage while standing or walking only.
Health Tips
Most important precaution for few days atleast your husband has to follow is:-
To avoid weight bearing on the affected foot.
Atleast reduce weight bearing for few days till sweeping is reduced/cleared.
Also avoid hanging of foot while sitting.