A while back, I posted a thread regarding rotator cuff injuries, and since then I've gotten it looked at by a doctor. He said that he doubts my rotator cuff is suspect and could find no evidence of any further soft-tissue damage. So, I guess that's pretty reassuring. But I'm still noticing a very dramatic decrease in endurance--particularly in my left (jab) arm. I've been experiencing these symptoms for the last 3 months or so. So, is there anything I can do to bring it back up to speed?

I remember that thread, your story made me warm up for atleast 5 minutes extra since i read it. to be honest mate, i think you should leave nothing down to chance consult your boxing trainer about what you should do, then get a sencond opinion. if you dont have a trainer get one. you dont want to go through any of that bull**** again so dont leave anything down to chance, get science on your side as much as is possible

A while back, I posted a thread regarding rotator cuff injuries, and since then I've gotten it looked at by a doctor. He said that he doubts my rotator cuff is suspect and could find no evidence of any further soft-tissue damage. So, I guess that's pretty reassuring. But I'm still noticing a very dramatic decrease in endurance--particularly in my left (jab) arm. I've been experiencing these symptoms for the last 3 months or so. So, is there anything I can do to bring it back up to speed?

If you still have some weakness and reductions in function you might consider the cause to be a nerve injury. The doctor you saw stated no "rotator cuff or soft tissue damage.." but you mention nothing about the possibility of nueronal (nerve) problems. There are a lot of less common nerve conditions that could cause it, and I would suggest seeing a neurologist if the dysfunction continues.

here are a few (sorry for the medical speak, but you'll get the idea...) abstracts from pubmed library.
+++++++++++++++++++++++++++++

Neurovascular injuries to the athlete's shoulder: Part I. (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=17426296&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVAbstractPlus)

Neurovascular injuries to the athlete's shoulder: part II. (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=17478751&ordinalpos=5&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVDocSum)

Axillary nerve injuries in contact sports: recommendations for treatment and rehabilitation (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=9858397&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVAbstractPlus)
(* note the part about direct blow to deltoids....)

Suprascapular neuropathy in athletes:... (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=7882115&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVAbstractPlus)

Entrapment of the suprascapular nerve: anatomy, etiology, diagnosis, treatment. (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=17514177&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVDocSum)

Peripheral nerve injuries in the athlete (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=9421863&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVAbstractPlus)

Brachial Plexus injuries (http://www.ninds.nih.gov/disorders/brachial_plexus/brachial_plexus.htm)
+++++++++++++++++++++++++++++++

I'm just suggestioning that IF you are still having shoulder problems, particular endurance and weakness, it could be a nerve issue, not specifically an "orthopedic" (bone/muscle) issue. In that case a neurologist would be the next medical physician to see. He'd probably do these:

EMG & NCS (http://www.spine.org/articles/emg_test.cfm)

Good luck and I hope all is on the mend.

If you still have some weakness and reductions in function you might consider the cause to be a nerve injury. The doctor you saw stated no "rotator cuff or soft tissue damage.." but you mention nothing about the possibility of nueronal (nerve) problems. There are a lot of less common nerve conditions that could cause it, and I would suggest seeing a neurologist if the dysfunction continues.

here are a few (sorry for the medical speak, but you'll get the idea...) abstracts from pubmed library.
+++++++++++++++++++++++++++++

Neurovascular injuries to the athlete's shoulder: Part I. (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=17426296&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVAbstractPlus)

Neurovascular injuries to the athlete's shoulder: part II. (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=17478751&ordinalpos=5&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVDocSum)

Axillary nerve injuries in contact sports: recommendations for treatment and rehabilitation (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=9858397&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVAbstractPlus)
(* note the part about direct blow to deltoids....)

Suprascapular neuropathy in athletes:... (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=7882115&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVAbstractPlus)

Entrapment of the suprascapular nerve: anatomy, etiology, diagnosis, treatment. (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=17514177&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVDocSum)

Peripheral nerve injuries in the athlete (http://www.ncbi.nlm.nih.gov/sites/entrez?Db=pubmed&Cmd=ShowDetailView&TermToSearch=9421863&ordinalpos=1&itool=EntrezSystem2.PEntrez.Pubmed.Pubmed_ResultsP anel.Pubmed_RVAbstractPlus)

Brachial Plexus injuries (http://www.ninds.nih.gov/disorders/brachial_plexus/brachial_plexus.htm)
+++++++++++++++++++++++++++++++

I'm just suggestioning that IF you are still having shoulder problems, particular endurance and weakness, it could be a nerve issue, not specifically an "orthopedic" (bone/muscle) issue. In that case a neurologist would be the next medical physician to see. He'd probably do these:

EMG & NCS (http://www.spine.org/articles/emg_test.cfm)

Good luck and I hope all is on the mend.

Great find! This is something I had sometimes suspected was the root of the problem. I have noticed a bizzare twitch in the index finger of my left hand. Too bad all this sounds damned expensive. Good K, coming your way.

yo i had some rotator cuff injuries in BOTH shoulders..but right was a little worst..i had to take about 3 months off also but during those 3 months and i still do, i did alot of rotator cuff exercises and my shoulders are about 95% back to normal..im also boxing again ive had no problems so far..just make sure you do alot of shoulder exercises and some physical therapy n ull be fine..