Yes that is because you will go through what athletes go through and you will need technical knowledge so as to be safe
Going Mountaineering for a breath of fresh air. Oh, that's nice. So you like climbing mountains? Yes, although it can also be done indoors. It has broad definitions and alot of activities can be accorded to it, some scholars identify mountaineering-related activities as climbing (rock and ice) and trekking up mountains, others are also adding backpacking, hiking, skiing etc yes, that's correct. its best for physically agile people. Is that so? It seems most scholars restrict the term "mountaineering" to climbing or trekking on hills. What else can you tell me about mountaineering? Most take safety precautions to prevent accidents. Oh, that's good. Even hiking on mountains sometimes involves scrambling or some rock climbing. interesting. One can do both hiking and climbing.
All require experience, athletic ability, and technical knowledge to maintain safety.