Manual of mental and physical tests : a book of directions compiled with special reference to the experimental study of school children in the laboratory or classroom . force nmscnlaire et defond chez les jeunes gargons. AnPs, 4: 1897 (1898), 15-03. (2) A. Binet and N. Vaschide, La niesnre de la force musculaire chezles jeunes gens. Ibid., 173-199. LIU PHYSICAL AND MOTOR CAPACITY (3) W. Hastings, A manual for physical measurements for use innormal schools, public and preparatory schools, etc. Springfield, Mass.,1902. Pp. 112. (4) D. Sargent, Strength tests and at Harvard. J. Bos-ton
Manual of mental and physical tests : a book of directions compiled with special reference to the experimental study of school children in the laboratory or classroom . force nmscnlaire et defond chez les jeunes gargons. AnPs, 4: 1897 (1898), 15-03. (2) A. Binet and N. Vaschide, La niesnre de la force musculaire chezles jeunes gens. Ibid., 173-199. LIU PHYSICAL AND MOTOR CAPACITY (3) W. Hastings, A manual for physical measurements for use innormal schools, public and preparatory schools, etc. Springfield, Mass.,1902. Pp. 112. (4) D. Sargent, Strength tests and at Harvard. J. Bos-ton Soc. Med. ScL, No. 13, 1896-7. (5) D. Sargent, Anthropometric apparatus, etc. Cambridge, Mass.,1SS7. Pp. 16. (6) J. Seaver, Anthropometry and physical examination. New-Haven, 1S90. TEST 8 Strength of legs. —This strength test is to be used in conjunc-tion with strength of grip and strength of back. The bestrecords in each of these three tests may be added to secure anindex of general bodily strength. Instrument.—Back and leg dynamometer. Method.—S stands upon the foot-rest of the instrument, withhis trunk and head erect and his chest well thrown out, but. FIG. IS. BACK AND LEG DYNAMOMETER, AS USED FOR STRENGTH OI< HACK. From D. Sargent, Anthropometric Apparatus. TEST 8 : STRENGTH OP LEGS 113 with the knees well bent (Fig. 19). E then adjusts the instru-ment so that the handle, when grasped by 8, rests against histhighs. S should then take a full breath and give a hard lift,mostly with the legs, using the hands to hold the handle inplace. Allow two or three trials as before. Results.— (1) Strength of legs is commonly about 26 percent, greater than strength of back. Thus, the 5000 men whoserecords are embodied in Hastings table have a mean strengthof legs of kg., P. E. , with a minimal record of and a maximal record of kg. (2) The strength of pull recorded for Oxford studentsappears to be somewhat different as regards position of thebody from
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