Investigations have placed the blame for the accident on the inadequate and unstable structure of steel cofferdams at the construction site, severe defects in the project procedures and regulation violations during the project supervision process, according to sources with the work safety committee under the Chongqing Municipal government.
You can also use various types of barbell curls in routines where you split your training into push exercises and pull exercises. With this approach, muscles that push (i.e., the triceps) and muscles that pull (i.e., the biceps) are trained on different workout days.
Well, only if you consider huge biceps dated. According to an American Council on Exercise study, seated dumbbell concentration curls yield 97% biceps activity, in contrast to cable curls or chinups (80%), barbell curls (76%), EZ-bar curls (wide grip 75%; narrow grip, 71%), incline curls (70%), and preacher curls (69%).