When working with UVs, it is useful to divide the workspace so you can see both the model and the UVs at the same time.
To view the soldier model and its UVs side by side
The perspective view and UV Texture Editor appear side-by-side in the viewport.
If you select the polygon soldier you will notice that the UVs for the body, arms, and legs are scattered in a pattern that doesn’t resemble the actual model. This isn’t very helpful for painting a texture map.
To simplify the job, you need to divide the mesh into multiple pieces that you can then texture individually. Generally, you want to divide the mesh into pieces that can be unfolded into approximate square or rectangle shapes. This requires some pre-planning.
In this lesson you divide the body mesh into a torso, arms, and legs.
To divide the mesh into pieces
The perspective view changes to an orthographic front view of the soldier.
Now if you change the selection mask back to Object, you can select the hand separately from the rest of the body.
This leaves you with individual meshes for the arms, legs, and chest. The head, feet, and hands have already been done for you. This division allows you to texture each part individually.