The back

Teres Major

Infraspinatus

Teres major

Trapezius

Deltoid

Teres minor

Ldtissimus dofsi

Figure 2.9. Bones and muscles of the back

Trapezius

Deltoid

Infraspinatus

Teres major

Teres minor

Ldtissimus dofsi

Figure 2.9. Bones and muscles of the back

Bones Spine

The way the spine is bent is very typical for the way the rest of the body is posed. This is why you will often see the spine indicated even in the simplest of sketches. In gesture drawing, the spine often follows one of the lines of action.

Spine Sketch

In a relaxed position, the spine follows a double S curve when seen from the side. Keep this in mind, the figure will look much better than with a ruler-straight back.

Shoulder blade

The shoulder blade is a flat triangle, with connections for the bone of the upper arm and for the clavicle. When the shoulder moves, the shoulder blade slides across the back of the ribcage.

Figure 2.11. Front and side view of the scapula

Side View Shoulder Blade
Figure 2.12. Back view of the scapula, collarbones, and first ribs

This figure shows the shoulder blades, collar bones, and first ribs, as seen from the back, looking down. It gives an impression of how the shoulder blades are angled, and how these bones relate to one another.

Muscles

The trapezius connects part of the spine, skull, shoulder blades, and the outer third of the collarbone. It is used for moving the shoulders up (shrugging), backward, or downward, depending on which section of the muscle is used. Notice how they smooth out the line from the neck to the shoulders; in some simplified styles this muscle is omitted, and the neck and shoulders connect at a sharp angle.

All three heads of the deltoid are visible in illustration 2.9.

All these muscles run from the shoulder blade to the shoulder. They move the arm towards the body, help in rotating it, and keep the arm in its socket.

• Latissimus dorsi (lats)

These broad, flat muscles pull the arm downward. In very muscular individuals, they are also visible from the front.

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Responses

  • crescente
    How to sketch the trapezius muscle?
    7 years ago

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