Even though internal fixations are not needed, depending on the level and extend of fracture
(you have not mentioned) needs de rotation ankle pop and complete bed rest
for a minimum period 2 mths
After a repeat X-ray accessing the union, if it is OK, slow weight bearing with a walker is allowed.
Aquatic therapy will not help for bone union. Bone union can occur only because of calcium deposit at the site of injury
for which rest is rest is a must. Complete wt. bearing after consulting Orthopedic surgeon.
Hypo tension may due to exhaustion due to the wrong advise of aquatic treatment.
advice the patient to have a ethical medical management.