reinjure
The injured muscle never fully recovered and was always susceptible to reinjury.
Doing gentle exercises will strengthen the damaged area and prevent re-injury.

SMART Vocabulary: related words and phrases

Injuring and injuries
at-risk
battered child syndrome
battered woman syndrome
be in the warsidiom
bite
eviscerate
first degree
flesh wound
fourth degree
gash
granulate
incapacitate
insult
personal injury
pi
pull
reinjure
scarred
strain
wounded