Repetitive forceful motions in certain sports
There are certain sports that require you to repeat forceful motions consistently. Examples of such sports include acrobatics, basketball, boxing and many others. It is recommended that you undergo regular check ups if you engage in any of such sports.
Poor heavy lifting techniques, like bending forward to pull with your back can put sudden excessive load on the disc
This is another common cause of bulging discs. Constant heavy lifting alone can cause issues with your back. Even more lifting with the wrong technique. An example is bending forward to pull with your back, this can put a sudden excessive load on the disc.