Applied anatomy and kinesiology, the mechanism of muscular movement . Fig. 173 Gymnastic Dancing.—Gymnastic dancing includes a great varietyof movements on the feet and involves leaping, poising, hopping GYMNASTIC MOVEMENTS 291 and bending. It brings into action the extensors of the ankles,knees, hips and spine strongly and the flexors of the limbs andtrunk moderately, with mild action of the arm-raising abductors of the hip-joints are strongly developed by theemphasis placed on poising and alighting on one Figs. 173 and 174. Fig. 174-Characteristic positions in gymnastic da
Applied anatomy and kinesiology, the mechanism of muscular movement . Fig. 173 Gymnastic Dancing.—Gymnastic dancing includes a great varietyof movements on the feet and involves leaping, poising, hopping GYMNASTIC MOVEMENTS 291 and bending. It brings into action the extensors of the ankles,knees, hips and spine strongly and the flexors of the limbs andtrunk moderately, with mild action of the arm-raising abductors of the hip-joints are strongly developed by theemphasis placed on poising and alighting on one Figs. 173 and 174. Fig. 174-Characteristic positions in gymnastic dancing Prone Falling.—The prone fall (Swedish) or leaning rest (German)position, shown in Fig. 130, supports the body by the arms and toesin nearly horizontal position. The weight pulls down on the head,requiring action of the extensors of the upper spine to keep it inposition, and tends to make the body sag in the middle, requiringstrong action of the flexors of lumbar spine and hips and slightaction of the extensors of the knees. The action of the arms is thesame as in a typical exercise of pushing. Flexion and extension ofthe arms while in the position is strong work for the pushing muscles 292 GYMNASTIC M0YEMENTS and is done most easily with the fingers pointing somewhat inward,which turns the elbows out at right angles to the trunk and enablesthe whole pectoralis major to work (Fig. 161). The work can bemade easier when desired by allowing the knees to rest on the flooror by placing the hands on an object above
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