1A1-L07 Maximal Admission of Joint Range of Motion Using Redudant Degrees-of-Freedom : Its Application to Visual Servoing and An Experimental Verification(New Control Theory and Motion Control)

2011 ◽  
Vol 2011 (0) ◽  
pp. _1A1-L07_1-_1A1-L07_4
Author(s):  
Masahide ITO ◽  
Masaaki SHIBATA
Keyword(s):  
Control Theory ◽  
Range Of Motion ◽  
Motion Control ◽  
Experimental Verification ◽  
Visual Servoing ◽  
Degrees Of Freedom ◽  
Joint Range Of Motion ◽  
Joint Range

Dynamic Modeling of Shoulder Girdle Range of Motion Limits

2007 ◽  
Author(s):  
Brian A. Garner
Keyword(s):  
Range Of Motion ◽  
Degrees Of Freedom ◽  
Joint Angle ◽  
Shoulder Girdle ◽  
Musculoskeletal Modeling ◽  
Multiple Degrees Of Freedom ◽  
Joint Range Of Motion ◽  
Complex Approach ◽  
Joint Range ◽  
Flexion And Extension

For some applications of musculoskeletal modeling it may be important to simulate the passive responses of joint range-of-motion limits. For example, Lemay and Crago [1] enforced dynamic limits of flexion and extension in an elbow model. In cases such as the elbow where the joint can be modeled as a simple hinge, the range of motion can be easily specified in terms of a minimum and maximum joint angle, and the motion limits can be enforced using simple visco-elastic restraining torques against any limit violations. For joints such as the shoulder girdle, however, which involve multiple articulating bones and multiple degrees of freedom, dynamic enforcement of joint range-of-motion limits requires a more complex approach.

Controlling Degrees of Freedom in Learning a Taekwondo Kick

Motor Control ◽  
2020 ◽  
Vol 24 (4) ◽  
pp. 512-526
Author(s):  
Anderson Nascimento Guimarães ◽  
Herbert Ugrinowitsch ◽  
Juliana Bayeux Dascal ◽  
Victor Hugo Alves Okazaki
Keyword(s):  
Range Of Motion ◽  
Learning Process ◽  
Degrees Of Freedom ◽  
Movement Pattern ◽  
Interjoint Coordination ◽  
Joint Range Of Motion ◽  
Cross Correlations ◽  
Joint Range

To test Bernstein’s degrees of freedom (DF) hypothesis, the authors analyzed the effect of practice on the DF control and interjoint coordination of a Taekwondo kick. Thirteen inexperienced and 11 expert Taekwondo practitioners were evaluated. Contrary to Bernstein’s hypothesis, the inexperienced group froze the DF at the end of learning, reducing the joint range of motion of the knee. Moderate and strong cross-correlations between joints did not change, demonstrating that the interjoint coordination was maintained. The inexperienced group’s movement pattern was similar to that of the group of experts, from the beginning of the learning process. Thus, even after years of practice, experts continue to explore the strategy of freezing DF. The DF freeing/freezing sequence strategy was explored during the learning process, suggesting that DF-freezing/freeing strategies are task dependent.

scholarly journals Improvement of the Knee Joint Range of Motion after High Tibial Osteotomy.

1993 ◽  
Vol 42 (2) ◽  
pp. 635-638
Author(s):  
Takeshi Arizono ◽  
Hideya Kawamura ◽  
Tomotaro Yamaguchi ◽  
Hiromasa Miura ◽  
Katsusada Honda ◽  
...  
Keyword(s):  
Knee Joint ◽  
Range Of Motion ◽  
High Tibial Osteotomy ◽  
Tibial Osteotomy ◽  
Joint Range Of Motion ◽  
Joint Range

Joint Range-of-Motion Assessment

2005 ◽  
Vol 10 (1) ◽  
pp. 42-43
Author(s):  
Robert D. Kersey
Keyword(s):  
Range Of Motion ◽  
Joint Range Of Motion ◽  
Joint Range ◽  
Motion Assessment
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