fisiolike

Body

Forearm and finger flexors

muscle

Where it runs

From the inner side of the elbow down the palm side of the forearm to the wrist and fingers.

What it does

Close the hand and bend the wrist.

In a pull-up

Your grip. A hang ends when these give out, whatever the shoulder can do.

Open it on the 3D model

Drills that work it

In the programs

Works alongside

Other structures the same drills work.

Questions about this

General anatomy, simplified. It describes a structure, not anybody's shoulder, and cannot say what is wrong with yours.