"going into a physical therapy clinic" is not a progressive tense.
It is a noun phrase, using a gerund:
Playing tennis is fun. Going to a physical therapy clinic is not.
Also, As far as= in terms of, with regard to.
Please note: "going to a clinic" is not exactly the same as "going into a clinic". We commonly use "going to x" to mean: seek treatment at a place.
"Going to a clinic" means using a clinic as the place to treat an injury. "Going into a clinic" means entering a clinic, physically, or staying at a clinic (like a hospital) for treatment. Generally, though, one doesn't stay overnight at a clinic.
"As far as" means as regards, with respect to, in terms of and can be used with regular nouns or gerunds nouns:
As far as going to a clinic=as regards going to a clinic, with respect to going to a clinic
Often, "as far as" is used with "concerned": as far as going to a clinic [is concerned]. In terms of going to a clinic.