We always encourage people to come to the warm-ups. Whether you are resting, tapering, in rehabilitation after injury or surgery, always come to the warm-up.
Vorsprung warm-up sessions are far more important than anything else, as they are the 'strategy'.
The actual 'efforts', whether that be running reps, football drills or karate moves, are merely the 'tactics'.
In the warm-ups, you will make the enhancements to your body-to-brain and brain-to-body communication pathways and in so doing the beneficial changes in your life. The warm-ups are where the improvements are truly made.
Although, these improvements maybe more visible in the 'efforts', in the warm-ups, you have a template to move from discipline to discipline: house chore to sports, dancing to academia…