
254 B. May, J. Shippen & A. Woodcock
Figure 3. Latissimus dorsi, loaded
and unloaded.
Figure 4. Erector spinae – loaded
and unloaded.
Figure 5. Deltoideus scapularis –
loaded and unloaded.
Figure 6. Sternocleidomastoideus
loaded and unloaded.
surface of the lateral third of the clavicle; the middle portion is the lateral border
of the acromion process and the posterior portion is the lower border of the crest of
the spine of the scapula. Its insertion is the deltoid tuberosity on the middle of the
lateral surface of the shaft of the humerus. The maximal isometric force this muscle
can generate is 885.6 Newtons. However during the encumbered walking jour ...