COMPARISON OF SCIATIC NERVE GLIDING AND LOWER EXTREMITY DYNAMIC STRETCH ON HAMSTRING FLEXIBILITY IN ATHLETES

Background: Hamstring muscles are targeted among football players. Sciatic nerve gliding improve hamstring flexibility among football players. Objective: To compare the effects of sciatic nerve gliding and lower extremity stretching on hamstring flexibility among football players. Methodology: In this randomized clinical trial 20 male athletes were selected which divided in two groups. One group was given sciatic nerve gliding while other lower extremity stretches. Athletes with age of 18-30 years, male foot ballers who regularly exercise 2 to 3 times a week for 30 minutes for 6 weeks were included. Goniometer was used to collect data by performing straight leg raise and Active knee extension test. Results: The results showed that the mean age and SD was 21.30±1.809. Comparison of treatment within group was checked by Wilcoxon Rank test showed significant results (P was less than 0.05 )and between group comparisons was checked by Mann Whitney test and found sciatic nerve gliding gave more improvement in Athletes performance (  p value was less than 0.05 for straight leg raising and active knee extension test. Conclusion: It was concluded that sciatic nerve gliding gave more effective results than lower stretching in increasing hamstring flexibility among football players.

Structural and Superconducting Properties of Cutl-12 N-1 N N = 3, 4/Nanostructures Composites

Nanostructures/(CuTl) 0.5 Ba 2 Ca n-1 Cu n O (2n+4)–δ , {CuTl-12(n-1)n}; n = 3, 4} superconducting composites were synthesized by solid-state reaction (SSR) technique and their superconducting behavior was examined by different available experimental techniques. Anti-ferromagnetic chromium (Cr) nanoparticles (NPs), ferromagnetic cobalt (Co) and nickel (Ni) NPs, non-magnetic zinc (Zn) NPs and carbon nanotubes (CNTs) of different wt. % have been inserted in CuTl-12(n-1)n; n = 3, 4 superconducting matrices and their effects on the structure, morphology and composition was carried out by X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM) and energy dispersive X-ray (EDX) spectroscopy. The transport properties and magnetic field response were explored by restivity versus temperature (RT) measurements with the help of four point probe method and ac-susceptibility (χ ac ) measurements, respectively. The experimental data was further analyzed theoretically by different models such as Aslamazov-larkin (AL), Lawrence-Donaich (LD) and Maki-Thompson(MT) models. It has been observed that the inclusion of different nanostructures (NS) in polycrystalline CuTl-12(n-1)n; n= 3, 4 superconducting matrices do not change their tetragonal structure and stichoimetry. Increasing concentrations of magnetic NPs (Cr, Co,Ni) additions in host CuTl-12(n-1)n}; n= 3, 4 superconducting matrices reduce the diamagnetic strength and superconducting volume fraction and cause suppression in characteristic superconducting parameters. The suppression of superconducting parameters after addition of these magnetic NPs can be accredited to spin scattering of carriers due to net magnetic moment, which tend to remain align in particular blocked state and oxygen disorder in superconducting regions. Non-magnetic Zn and CNTs also diminish superconductivity because of enhanced carrier scattering cross section at inter- crystallite sites. Theoretical fluctuation induced conductivity (FIC) analysis confirm the suppression of superconducting characteristic parameters by these NS inclusions in CuTl- 12(n-1)n}; n= 3, 4 superconducting matrices. Decrease in coherence length (ξ), increase in penetration depth (λ p.d ) and shifting of 3D regions towards lower temperature values illustrate the increased insulation at grain-boundaries and decrease in optimum charge carriesr density after addition of these NS in CuTl-12(n-1)n}; n= 3, 4 superconducting matrices