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The other answers compare the situation to those where a SCUBA diver has to ascend immediately due to gear malfunction. Since you specifically ask about escaping from a sunken ship/submarine, I wan...
This could be effective. Anything opaque that blocks the sun's rays from reaching your skin will be effective at preventing sunburn, whether that's a hat, the shade of a tree, or a layer of mud sme...
First and foremost: Don't Panic At 30m, you'll be fine if you can free yourself within about 20 minutes and know what you're doing. That being said, there is a good chance you won't know your exac...
Depending on the route, you'll likely need a way to not sink into snow and give you more grip than boots alone. With ice or hardpack snow boots and crampons are great. Most folks with the experien...
In the region managed by CAI Vigezzo, there are actually many bivaccos (unstaffed shelters) that are open year round. As most of those were not on either the Swiss topographic map, or Openstreetma...
Radiator Water If you live in a hot climate, as many (but not all) deserts are, then you might not have any antifreeze in the radiator. I live in an area where it gets well below freezing in the ...
There are certainly use cases for snow shoes. However, I believe this is rather a niche when talking about proper alpinism and not just snow shoe hiking as it is always an addition to the normal eq...
One thing no one has mentioned, is, if one must mark the trail (e.g. if lost and not expecting rescue in the near future), how to mark. The one thing that you must always do when leaving a mark is...
As excellent as the previous responses have been (and they all have great advice), I'd add that you want to be FLEXIBLE. Stretching is crucial, and not just for your knees. Hip flexors are a very i...
Apart of what has already been said, I have some additions: Walking backwards on the descent Obviously, this only works if the terrain allows it (e.g. paved streets or at least some kind of easy ...
Summary: all in all, In my humble opinion the two had the super bad luck to be at the wrong place at the wrong time. There may still have been things that they could reasonably be expected to ha...
I would go buy an outdoor construction adhesive (one that is designed for all materials, lest it eat your soles up from the top). Skip the super glues. Not only will you have enough glue, but it sh...
Simple knee support bandages as suggested here are not going to help. Good knee braces will. This is the one I use. I have knee problems and had difficulty hiking, skiing and running. With a couple...
I seem to remember being told that Italian huts will have an emergency shelter room as well. In any case, this emergency shelter may not be meant for people who stay there over night during a pl...
Without specifics of when and exactly where in the Arctic your character plans to visit, this is a difficult question to answer. I see no risks (beyond the usual storms etc.) of sailing a boat of...
What helped me, may well be available in your area Feldenkreis classes (a very gentle stretching modality) gave me a flexibility and lightness that I found surprising. I’m over 60. After a few ...
Insoles There's lots of good answers here, but one I haven't seen mentioned is insoles. You've asked for advice other than good boots but it's possible that the importance of insoles is something ...
Not only is it possible, but it is a great tactic when prospecting a new stream to figure out what's working. You definitely have to modify your cast to keep the loops larger and more open, simila...
Here is some advice for someone who has had three knee replacements. Be sure that when you hike you are using proper walking form by rolling from heel to toe. Also balancing your self by pairing y...
As you said in your comment: you had three surgeries and there’s only so much training you can do. Well, this might not be the advice you want to hear, but if your knee is too bad to take training ...
The danger is not only suffocation due to lack of oxygen, but also poisoning due to too much carbon dioxide in the air. Normal air has 21% oxygen; humans will safely survive down to ~15%. Maybe 10...
While I have not had knee problems myself on long hikes, others in my traveling group use KT elastic athletic tape around the knee joints for long bike rides. The tape stretches on the move of the...
I take a metal keychain ring and run it through the loose end of the strap and around the main strap. As so:
As I'm going through a minimalist phase of fishing right now, I suggest this as a functional minimum. License; Your location determines if this is actually needed. Rod Reel; Not absolutely neces...
If the devices are fully turned off, sensible amounts of insulation won't keep them warm overnight as they won't give off any heat. If they're turned on and giving off heat, too much insulation can...
