Stadion's Sports and Martial Arts Training Discussion

I am at the stage where a can do around 2x50 sit-ups and 2x20 back extensions on a bench. (Both without weights) I want to add some weights, say 5kg for my back extension. Here’s the confusion… Mr Kurz states that lower back strength must be way ahead of hip flexor strength BUT before a can add weig...

Hi there, At my local gym I do not have access to back extensions (bench) and so wanted to know the best way to progress. They do have a seated back extension machine but with this I would be working with gravity and not against it. This would mean lifting 3 sets of 15 of a third of my body weight w...