The triceps contract when the biceps relax.
And, vice versa. The triceps relax when the biceps contract.
triceps
When the bicep contracts the triceps relax
relax
When lowering arm biceps relax and triceps contracts. When one contracts the other relaxes when you move it forward and downward.
the biceps contracts and the triceps relax
two muscels biceps and triceps push and pull one contracts and one relax...
Biceps Biceps
biceps relax wen you thrown something..yes they do relax went you thrown something..
When your biceps contract (and your triceps relax), your arm bends at the elbow. When your triceps contract (and your biceps relax), your arm straightens. The biceps and triceps enable you to bend or extend your arm at the elbow.
They relax
When you straighten your arm your bicep is relaxed and your tricep is contracted.
your biceps contract and your triceps relax
When the biceps contracts the triceps relaxes slowly. It happens when your arm is bent.