The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
Grip strength, the ability to generate force at the level of squeezing the fist or squeezing down on something, might seem like kind of a trivial way to assess recovery but it's not because it relates to your ability to use your upper motor neurons to control your lower motor neurons and to generate isolated force.
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Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
But there's something about the upper motor neuron to lower motor neuron pathway generally that allows you to use something like grip strength as a kind of a thermometer, if you will of your ability to recover.
If you start seeing a 10% or 20% certainly reduction in that that's concerning, it means that your system, your nervous system as a whole it's not necessarily fatigued, is that the pathways from nerve to muscle are still in the process of rewiring themselves in order to generate force.
determine overall recovery, your grip strength is pretty highly correlated.