Hi Roy
Did two big blocks of flats in Swindon back in March. Didn't have our SL2 at the time so had to use an old composite pole, which was heavy and whippy. About three days later I was in real trouble. Couldn't lift my arm above waist height, or reach behind me. Went to a chiropracter who told me I'd damaged my rotator cuff muscles. Told me to alternate heat and cold, and dose up on anti-inflamatories. Took one day off, and the next couple steady, and so far not had any more problems. A tear sounds nasty though, take it easy there!