fisiolike

Body

Latissimus and teres major tendons

tendon

Where it runs

Flat tendons at the front of the upper arm bone, just below the shoulder, where the latissimus and teres major attach.

What it does

Carry the pull of the two biggest arm-pulling muscles to the arm.

In a pull-up

Take the full load at the bottom of a hang, where the muscles are longest.

Open it on the 3D model

Drills that work it

In the programs

Works alongside

Other structures the same drills work.

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