To allow it to move.
If you opened the abdomen of a crayfish you would see the intestine , flexor muscle and extensor muscle
Triceps muscle is not a flexor. Triceps is an extensor of elbow joint. Biceps muscle is flexor.
flexor digitorum superficialis
Flexor.
serve to give him (or her) mobility - moving legs and such.
No the flexor closes the joint.
The flexor is a muscle that bends part of your body.
No. The biceps are a flexor muscle.
The "tailors muscle", or the sartorius is the strap-like muscle that is a weak hip flexor. The sartorius muscle is the longest muscle in the human body.
Flexor digitorum profunds
The flexor muscle in my left elbow is stiff.
The brachialis muscle has greater leverage based on its origin and insertion points and is stronger than the biceps brachii muscle as a flexor.