Grip strength is the ultimate expression of a person’s vitality

That’s why doctors test patients’ grip strength
Because your athletic performance ultimately is constrained by grip strength
When someone has a cerebral infarction, doctors can test their grip and also rule out a brain hemorrhage first
The farmer’s walk is the most critical for core/abs training
If you do it overhead, even better
So I personally strongly agree with this view—pull-ups, ring work, and other exercises are all tied to grip strength.