The triceps relaxes slowly. This prevents a "jerky' movement.
Triceps.
tricep rhymes with bicep
the bicep
the biceps contracts and the triceps relax
brachialis
Antagonists of the biceps are triceps (the three head muscle). Biceps flex and triceps extend.
bicep- it bends the arm while the triceps straighten the arm.
When the bicep contracts the triceps relax
The triceps brachii is the antagonist to the biceps brachii.
The triceps brachii is the antagonist to the biceps brachii.
Agonist - Pectoralis Major, Triceps Brachii Antagonist - Bicep Brachii, Latissimus Dorsi
The bicep curl obviously helps the Bicep but it also helps you triceps as you pull your fist towards you your are contracting your bicept and relaxing your tricep