http://robertsontrainingsystems.com/blog/5-core-training-exercises-you-should-be-doing/- When most people think of training the core musculature, they immediately think of movements in the sagittal plane such as crunches and sit ups. Here are some alternatives to these to add to your training to increase performance and prevent injury.
https://www.t-nation.com/training/10-things-every-lifter-should-be-able-to-do?utm_source=facebook&utm_medium=social&utm_campaign=article406- This is a list by Dan John of 10 things that every lifter should be able to do, regardless of your given specialization. Can you do all of these?
http://firstpull.net/2015/09/04/get-your-head-straight-making-progress-and-keeping-a-strong-will-to-progress/- The equation for a successful weightlifter, and what you might need to change to become more successful yourself.
http://firstpull.net/2015/03/02/leg-strength-problems-why-your-squat-wont-improve-and-some-ideas-on-how-to-fix-it/- Is your squat not going up regardless of increasing your squatting frequency? Here are some common problems that may be causing this, as well as how to fix them.