flexor
/ˈflɛksər/
noun
- A muscle that bends a joint, such as the elbow or knee, by bringing two body parts closer together.
- Stretching the hip flexors can help prevent lower back pain.
- When you curl your fingers into a fist, your finger flexors are working.
- The biceps is a major flexor that bends the arm at the elbow.
Antonyms