The standard biceps curl is hardest at the mid-range, where the lever arm is the longest. But for variety we can change that, making the top or peak contraction the toughest part of the movement.
Lean forward at a 45-degree angle.
Don't drop the elbows down. Keep the upper arm in line with the body.
Perform curls in this position, squeezing hard at the top.
Those aches and pains, that annoying inflexibility, that injury that flares up whenever you try to deadlift a number that's higher than your IQ – all of it could be the result of tight or inflamed fascia.