1) Bending muscle 2) Biceps 3) Biceps for one 4) Flexor muscle 5) Kind of muscle 6) Limb bender 7) Limb-bending muscle 8) Skeletal muscle 9) Striated muscle 
adjective from the noun flexion. The muscles which cause flexion of a part are flexor muscles; the surface of a part where those muscles are found is sometimes called the flexor surface.
• (n.) A muscle which bends or flexes any part; as, the flexors of the arm or the hand; -- opposed to extensor.
A muscle that is involved in bending (flexing) a limb or part of the body.
Adjective from the noun 'flexion'. The muscles which cause flexion of a part are flexor muscles; the surface of a part where those rnuscles are found is sometimes called the flexor surface.
(flek´sor) causing flexion. a muscle that flexes a joint, such as one that raises a thigh or bends an elbow.
Flex'or noun [ New Latin ] (Anat.) A muscle which bends or flexes any part; as, the flexors of the arm or the hand; -- opposed to extensor . 
The bending movement of a joint.
Muscle responsible for closing the angle of a joint
Type: Term Pronunciation: flek′sŏr Definitions: 1. A muscle the action of which is to flex a joint.
(flek;sor) A muscle that decreases the angle of a joint when it contracts.
A muscle which causes a limb or other part to bend.
A flexor is a muscle which serves to bends a joint or limb.
A muscle that pulls one bone toward another bone.
a muscle that serves to flex or bend a part of the body.