Triceps (the muscles behind/under your arm) are NOT flexors.
They are extensors.
http://en.wikipedia.org/wiki/Triceps_brachii_muscle
You flex your biceps, not triceps.
no. theyre extensors
example of flexors: Biceps when you flexexample of extensors: Triceps when you relax your arm
3 Peronei, triceps surae, extensors and flexors of the toes and the 2 tibialis.
these muscle groups either extend a joint, extensors) or contract the joint (flexors). triceps extend the elbow joint, biceps bend the elbow joint.
Quadriceps, hip flexors, calves. Additionally, biceps, triceps, abdominals, pectorals, and glutes
No, it is the opposite. Muscles that bend a joint are called flexors, while muscles that straighten a joint are called extensors. For example, the biceps are flexors of the elbow joint, and the triceps are extensors of the elbow joint.
Quads, hamstrings, calfs, hip flexors, shins, triceps, latissimus dorsi, erector spinae, abdonials
Agonist is bicep and other elbow flexors antagonist are all the elbow extensors ie triceps
synergists: trapezius, teres major and minor, flexors, biceps brachiiantagonists: deltoid, extensors, triceps brachii
False false
False
true