Lateral curvature of the spine and round shoulders . Fig. 9.—G. Herman Meyer. TheTwo Oblique Muscle Pulls.—(Feiss.)On the left the descending oblique, intercostals; b, descending ob-lique or externus abdominis. On the rightthe ascending oblique muscle pull, oblique or internus abdominis;d, internal intercostals; e, scalenus colli;/, Fig. 10.—G. Herman Meyer. TheScheme OF the Torso Musculature In-dicating THE Direction of the VariousMuscle Pulls.—{Feiss.) a. Posterior longitudinal muscle pull(sacrospinalis); h, anterior longitudinalmuscle pull; c, oblique desc
Lateral curvature of the spine and round shoulders . Fig. 9.—G. Herman Meyer. TheTwo Oblique Muscle Pulls.—(Feiss.)On the left the descending oblique, intercostals; b, descending ob-lique or externus abdominis. On the rightthe ascending oblique muscle pull, oblique or internus abdominis;d, internal intercostals; e, scalenus colli;/, Fig. 10.—G. Herman Meyer. TheScheme OF the Torso Musculature In-dicating THE Direction of the VariousMuscle Pulls.—{Feiss.) a. Posterior longitudinal muscle pull(sacrospinalis); h, anterior longitudinalmuscle pull; c, oblique descending musclepull; d, oblique ascending muscle pull;e, transverse muscle pull. tube of which the adbominal muscles form the front. Of musclesdirectly attached to the spine there are two varieties: (i) musclesrunning from one part of the spine to another part and to the head;(2) muscles running from the spine to the pelvis or abdominal muscles by their attachment to the thorax, which iscomparatively rigid, have an action on the spine. By the combined MUSCLES 17 action of these three the erect position is maintained, or any variationfrom it is accomplished. In making a side flexion of the spine from the erect position, forexample, no one muscle or group of muscles is alone active, but itimplies a concerted and coordinated action of all t
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