The phrase "a heavy arm" is correct and usable in written English.
It can be used to describe an arm that feels physically heavy, either due to fatigue, injury, or a metaphorical sense of burden.
Example: "After hours of lifting weights, I could barely lift a heavy arm to wave goodbye."
Alternatives: "a weighty arm" or "a burdensome arm".
One man dropped a heavy arm around her narrow shoulders, loudly supervising his wife's attempt to snap a photograph.
"The ghost of history lies down beside me," she writes in one of her poems, "rolls over, pins me beneath a heavy arm".
A drunken bearded beachcomber, a Texan in Costa Rica, both beachcombing and being Texan pass for professions who knew me as a renegade New Yorker, wrapped a heavy arm around my shoulders and sobbed beery tears.
A drunken bearded beachcomber, a Texan — in Costa Rica, both beachcombing and being Texan pass for professions — who knew me as a renegade New Yorker, wrapped a heavy arm around my shoulders and sobbed beery tears.
One could argue that a heavier arm leads to higher loads through the rotator cuff tendons, however, this has not been directly demonstrated and further research would be required to confirm or refute this hypothesis.
Then a first lieutenant, Winchester had been assigned the command of a heavy-arms platoon.
Some analysts also say Mr. Romney understates the help Russia has provided in dealing with rogue states, like backing a heavy-arms embargo and other sanctions against Iran in 2010.
Among the documents are ones that appear to record Mr. Arafat's approval of a $600 payment to the leader of an attack on a bat mitzvah party that left 6 people dead and 50 wounded, and a Palestinian request to build a heavy-arms workshop.
Perhaps this is as close as we ever come to stumbling into understanding, if understanding is the familiar weight of a heavy sleeve against the arm inside it & madness is its opposite, a soul caught out in the open not wearing anything at all.
A big heavy arm on her shoulder made Luda flinch.
Once again "Amazing Grace" rose on bagpipes from an unseen source, and suddenly the heavy arm of my close friend and fellow Marine draped over my shoulders.
