Hello Rip,
I'll start with the stats. Age 20, Height 5'7", weight 163. I trained SS until 3 months ago and now I train mostly at swimming, running and underwater hockey while I try to keep my strength (dropped my BW already by 25lbs). I can say I'm having success at keeping my strength through that endurance training and diet period. For RM1, my deadlift increased by 5lbs, now ~350lbs and my squat stayed the same (now ~305), but with a belt (didn't use one during the SS). The press and BP also stayed the same (160lbs / 245lbs).

So the problem is, that about a week ago I started to feel some pain in the lower back for the first time in my life. It's not significant, but it's there. I don't feel it during the sets, but sometimes between sets. Usually it appears 3-4 hours after the strength training. The pain itself feels like small stabbing in the inside of the lower back, sometimes at the left side and sometimes at the right side. Sometimes even at the upper ass. It goes away by itself, and since it's quite low pain it doesen't even close to limit my movements or training. Nothing changed dramatically in my technique (which is, I think - not perfect, but good), but I added videos of the squat and deadlift so you'll be able to call if the problem comes from there. And anyway to get your opinion on my technique will be the best coaching I ever got

I'm aware to the fact that because I swim 14km/week and run 35km/week it can also not be a technique problem but recovery problem (or a combination). At the gym I train 3 times a week, doing kind of Texas Method at the squat (with lower volume - only 3X5) and train the deadlift only once a week, at the recovery day of the squat.
My diet depends on the day (long runs / swims change it a bit), but I consume ~1.2g of protein per 1lbs of BW, ~0.5g fat per 1lbs of BW and all the rest are carbs, depend on the caloric overall intake which is 800kcal under the caloric outtake. I do carb loading once a week which is 1000kcal over the caloric outtake, based on carbs, of course. I supplement with Creatine (5g/day), Fish oil (1080/720/day), Magnesium (450mg/day), Multi vitamin (Twinlab once daily with iron), Vitamin C (1000mg/day) and Vitamin D (2000IU/day).

So, after all the talking, the videos.

The squat - 243lbs, 3X5. Two first sets from the side and 3rd from 45 degree. And yeah I know it's a bad belt, it's the gyms' belt. Soon I'll get one that will be good and mine.
http://www.youtube.com/watch?v=okJoai3H-j4

The deadlift - sorry for not having 45 degree angle and not showing my set up. If it will be needed, I'll film it in Wednesday.
http://www.youtube.com/watch?v=lsH0YTzKNuM



I'll very appreciate your comment. Thank you very much! it's not obvious at all.

Best regards,

Tal