its actually quite a tricky muscle to stretch. Interestingly it inserts into the shoulder and then skips over to the forearm. Speaking with my therapist hat on, I’d say 85 % of shoulder problems have a “poor relationship” with the bicep. Getting some sort of stretch in, is therefore, good.
Stretch No 1
The “just straighten your arm” stretch. Do what it says on the tin. It’s better than nothing
Stretch 2 is more fun. Sit down with your arms behind you and start sliding your bum forward. You’ll either feel the stretch in the elbow, the shoulder or in the belly of the muscle. Over the weeks, focus on getting your hips further forward to increase the stretch. Build to 2-3 minutes
Number 3 is a disgusting stretch, so make sure you have built some stretch capacity by pushing Stretch 2 along for a few weeks. This hanging stretch is stolen from gymnastics and is called the German Hang. Find a low bar, hang off it. Pull your knees through your arms then keep on turning. Lower your legs to the floor and hang in your shoulders. Do start this with a low bar, as you may need to drop straight off even as you get into something resembling the position. Its very intense!
It also helps you understand the meaning of the word “intense”