Around 1880, while in Moscow and approximately simultaneously with working on Esperanto, Zamenhof made an aborted attempt to standardize Yiddish, based on his native Bialystok (Northeastern) dialect, as a unifying language for the Jews of the Russian Empire.
Try speed work. Speed work refers to a type of strength training which uses a much lower percentage of your maximal weight. Lifting weights with greater bar speed trains your stretch reflex and your ability to build momentum more quickly, as well as recruit more muscle fibers.
While simple exercises such as pushups and body-weight squats can be effective for basic conditioning and fitness, moving to more advanced, weight-lifting exercises can help you progress. If you want to improve leg and back strength, consider adding stiff-legged dumbbell deadlifts to your routine.