With the use of the effective nuclear charge method, the potential constants of the pyramidal xy2z type of molecules have been evaluated for the first time. A normal co-ordinate analysis has also been carried out, using F.G. matrix method, by setting the initial F matrix based on these force constants. The values obtained by incorporating the observed frequency data agree very well with those arrived at from nuclear charge method. This proves the elegancy of the nuclear charge method in predicting the force constants.
Knee pain is one of the most frequent musculoskeletal problems among the middle-aged and elderly people and ‘Osteoarthritis’ is the widespread clinical pathology of the knee. Objective: The present study was conducted to evaluate whether low frequency Pulsed Electro Magnetic Field (PEMF) therapy is effective in patients with osteoarthritis knee using surface Electromyography (sEMG) of vastus medialis. Methods: The participants were subjected to Pulsed Electromagnetic Field Therapy using the PULSATRON instrument designed by Madras Institute of Magnetobiology, Anna nagar. They were given PEMF therapy of 10 Hz for 60 minutes/ day for 21 days with a break after every 6 days. The participants of the study were subjected to Electromyography of vastus medialis using the MEDICAID PHYSIOPAC machine. The findings are compared before and after the duration of PEMF therapy. Results: The study shows that Low frequency PEMF (10 Hz) can be used as a treatment modality for Osteoarthritis. PEMF therapy, when given for a sufficient time (21 days) can improve the stiffness and the power of muscles as seen by the increase in amplitude of electromyography. The mean amplitude of sEMG in vastus medialis was found to be significantly increased (p <0.001) in the study group following the Pulsed Electro Magnetic Field (PEMF) therapy.
The general inertia defect of nonplanar XY6 type of molecules and ions has been evaluated for the first time by applying the method suggested by Herschbach and Laurie. The centrifugal distortion constants have also been calculated for the above system.
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