Is Eccentric Training better than Isometric training for Quick Recovery of Achilles tendinopathy?

To what extent are different muscle fiber classifications affected by muscular atrophy?

How does the intra-complex recovery interval influence the realisation of the acute post-activation potentiation effects, following a heavy-resistance stimulus conditioning activity, on 20m sprint speed (m/s) for 17-18-year-old males with at least 1-years’ experience in resistance training?

Is there a correlation between a dancer's year of experience in dance training on their Illinois Agility test results?