I've had bicep tendinitis for about 8 months now it was due to lifting too heavy on barbbell curls anyways I quit training biceps for 3 months and it still never healed fully. So I started working biceps again but I use a wrist strap and I can curl fine. But if I curl without the strap I still get the pain so I keep it on. Is there any advise? Is it just weak wrists? I'm the only I know of that has this problem