Could also be a fissure, which for some (as me) aren't painful unless it's big enough or going on long enough.
You could, however, do a look-see...yep, squat over a mirror.
Any kind of pushing can cause or exacerbate hemmies...there are internal or external. Internal can bleed, external don't...but you might have a combo of stuff going on, albeit mild.
I would suggest increasing fibre of different kinds, fruit and veggies, but maybe at this point it would be good to make sure that your stools are "fluffier and softer". A fibre supplement helps a lot, and as suggested, make sure you're taking in enough fluids.
Excess gas can cause pressure in the rectum/anus, exacerbating hemmies...even excessive coughing or sneezing..etc. It all depends on how reactive one's hemmies are or how sensitive to that type of pressure...most of us who have them don't do heavy weight lifting.
But in saying that, maybe squeezing the sphincter when lifting will avoid some of the pressure.
Take a look and then report if it's a fissure or hemmies that you have.
*Heather* Status: maintenance Asacol 6 daily + Salofalk enemas every 3rd night
~diagnosed January 1989 UC (proctosigmoiditis)
~UC meds: Asacol (3 @ 2x daily); Salofalk enemas nightly for flares & taper to maintenance
~Bentylol (dicyclomine) 20mg as needed; Ranitidine (reflux); Effexor XR 75mg(depression); Pulmicort/Airomir (asthma)
~vitamins/minerals/supplements; Probiotics....(RenewLife Ultimate Flora Critical Care + Primadophilus Reuteri). @ bedtime
~various digestive enzymes as needed
~URSO for PSC (or PBC) 500mg X 2 daily (LFTs back to NORMAL!!)
My doc's logic.. "TREAT (FROM)BOTH ENDS" worth it !!!