I figured it would be helpful to have a thread for accumulating general training advice and tips. Here are some things that I have found to be useful:
To keep track of time in holds, use a metronome set to beep every second. [if you have a smartphone, you can download a metronome app]
Take videos of your work sets! Take them frequently! Having feedback is crucial for developing good form. It's very common to *feel* like you're doing an exercise right, only to find out that something is not right once you take a video. I use a smart phone and a tripod with a phone-attachment (like one of these). If you've been stuck on an exercise for a while, comparing old videos to new ones can be helpful: has your form changed at all?
Even if you don't want to video anything else, make sure to video your attempts at mastering an exercise. Mastery requires good form in *every set* - failing to meet this standard may result in stalled progress later on.
If possible, find someone to work out with! Having someone else around who is familiar with the program is helpful for many reasons. They can offer encouragement, point out issues with your form, and help you debug any movements that you just don't quite get.
Ideally you'd have a GB trainer or coach who could critique your workouts in person every once in a while. [is there currently a good way for people to look up GB trainers in their area?]. The gold-standard is of course attending a seminar and working with Coach Sommer. Seminars are also handy because you'll learn a lot about the philosophy and theory behind the program.
Keep a daily workout journal. Each day, make a note of how each exercise went. Did you achieve your target sets/reps? Did you have to add in extra rest? Did you maintain good form? Did you figure something out?
On a coarser level, keep track of how each exercise feels. Was it very easy to master? Did it take a lot of effort? Construct your warmup based on these notes: exercises that you struggled to master should be revisited more frequently.
