293 



Percentage. 



Proper muscles of hip joint, . . . . 67*3 



Flexors of knee, 19*2 



Extensors of knee, 13 '5 



KeferriDg the moments of the hip joint muscles to the rim of the 

 acetabulum, I found — 



Muscle. Azimuth. Moment. 



Degs. Percentage. 



1. Psoadiliacus, 26 10-9 



2. Pectinseus, 55 ....... 1"3 



3. Adductor brevis, 86 2*1 



4. ,, magnus, .... 132 18*8 



5. Obturator externus, .... 132 3*1 



6. Adductor longus, .... 157 ...... 5 '3 



7. Quadratus femoris, .... 180 2*7 



8. Obturator internus et Gemelli, 223 4*4 



9. Gluteus maximus, &c, . . 335 5*2 



10. „ medius, &c, ... 348 11 '4 



11. „ minimus, . . . 356 2"! 



Besolving these moments, as before, we obtain — 



Muscle. 



Flexion. 



Extension. 



Adduction. 



Abduction . 



1. 



Psoadiliacus, 



9 



"77 





4-78 





2. 



Pectinasus, 



0 



74 





1-06 





3. 



Adductor brevis, . . . . 



0 



14 





2-09 





4. 



,, magnus, . . . 







12*58 



13-97 





5. 



Obturator externus, . . 







2-07 



2-30 





6. 



Adductor longus, 







4-88 



2-07 





7. 



Quadratus femoris, . . 







2-70 







8. 



Obturator internus, . . 







3-22 





3-00 



9. 



Glutaeus maximus, 



4 



71 







2-76 



10. 



,, medius, .... 



11 



15 







2-37 



11. 



,, minimus, .... 



2 



09 







0-14 





Totals,. . . . 



28 



•60 



25-45 



26*27 



8-27 



Subtracting the opposite moments, we find- 



Percentage. 

 Total flexion, .... 3-15 

 Total adduction, . . . . 18*00 



If we collect together the preceding results into one Table, having 

 first reduced them to percentages of the proper muscles of the hip joint, 



R. I. A. PEOC. VOL. IX. 2 R 



