Flexor carpi radialis and Palmaris longus
The muscles that are power wrist flexors are the flexor carpi radialis and flexor carpi ulnaris.
There are flexors and extensors in the forearm and they control the movements of the hand and wrist. If you hold your hand out (with the palm down), the flexors allow your hand to bend downward. The extensors allow your hand to bend upward.
Sternocleidomastoid muscles
flexors
There are several muscles involved in climbing stairs. Some of the most worked-on muscles are: gluteus maximus and the harmstrings. Additionally there are several more muscles involved located at the knees.
Skeletal muscles work in pairs: flexors and extensors
Skeletal muscles are found in pairs called flexors and extensors. The flexors bend a joint, and the extensors straighten the joint. Muscles cannot push; they only pull.
The abdominal rectus muscles are primarily involved in this function.
deltoid
Wrist/finger flexors and extensors and the muscles in the thumb. Not allot.
Three - extensors, flexors, and adductors.
hamstrings and hip flexors