{
  "presentation": "complete-card",
  "format_version": 3,
  "overview": "A weighted-vest walk is an ordinary walk with extra weight worn around the torso. People use one to make a familiar route more demanding without holding weights in their hands.",
  "overview_sources": "Osteoporosis Canada · 2025",
  "overview_source_ids": [
    "self10b6-weighted-vest-oc"
  ],
  "sections": [
    {
      "role": "explanation",
      "title": "What the walk involves",
      "items": [
        {
          "label": "The weight goes on your torso.",
          "text": "A vest carries added weight around the chest and back while you walk. Some have removable inserts, so the amount worn can change; the point is to add resistance to a walk, not to reach a particular number.",
          "source": "Osteoporosis Canada · 2025",
          "source_ids": [
            "self10b6-weighted-vest-oc"
          ]
        },
        {
          "label": "Fit comes before distance.",
          "text": "A padded, breathable vest with adjustable straps may fit more securely. A lighter load and shorter walk let you learn how the added weight feels before increasing either one.",
          "source": "ACSM · 2026",
          "source_ids": [
            "self10b6-weighted-vest-acsm"
          ]
        }
      ]
    },
    {
      "role": "benefits",
      "title": "Potential benefits",
      "items": [
        {
          "label": "The same walk can take more effort.",
          "text": "Adding weight may increase walking effort and energy use, depending on the load and incline. A small, short treadmill study measured higher energy use under some conditions; it did not test lasting fitness or weight loss.",
          "source": "American Council on Exercise · 2013",
          "source_ids": [
            "self10b6-weighted-vest-ace"
          ]
        },
        {
          "label": "Walking remains the main activity.",
          "text": "Walking is weight-bearing aerobic activity. Mayo Clinic describes it alongside strength and balance work; wearing a vest does not replace those separate activities.",
          "source": "Mayo Clinic · 2025",
          "source_ids": [
            "self10b6-weighted-vest-mayo"
          ]
        }
      ]
    },
    {
      "role": "cautions",
      "title": "Good to know",
      "items": [
        {
          "label": "Bone-density claims run ahead of the evidence.",
          "text": "Osteoporosis Canada finds little to no evidence that vest walking raises bone mineral density. A heavier walk is not a substitute for an osteoporosis exercise plan or a predicted change on a bone scan.",
          "source": "Osteoporosis Canada · 2025",
          "source_ids": [
            "self10b6-weighted-vest-oc"
          ]
        },
        {
          "label": "More load can mean more strain.",
          "text": "A vest can affect balance and add force through the spine, especially while bending or twisting. Extra spinal load may be poorly tolerated with spinal arthritis or a disc injury, so those conditions call for individual guidance before adding weight.",
          "source": "Osteoporosis Canada · 2025",
          "source_ids": [
            "self10b6-weighted-vest-oc"
          ]
        }
      ]
    },
    {
      "role": "community",
      "title": "From community discussion",
      "items": [
        {
          "label": "An existing route makes it easier to keep.",
          "text": "People describe putting the vest on a dog walk, school loop or neighborhood walk instead of adding a new workout. Reported examples include 5–10% of body weight or the lightest plates, 20–45 minute walks and two to four weighted outings a week, not validated targets; some leave other walks unweighted or travel without it.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "A heavy first outing can end the habit.",
          "text": "Some accounts describe 40 lb first-day purchases followed by bouncing, sore traps, rubbing or unhappy knees and skipped walks. Wearers judge the fit by whether the vest stays put and their walk still feels like a walk; a smaller load, adjustment or an unweighted day can be more useful than chasing a heavier photo.",
          "source": "Community",
          "provenance": "preserved-community-record"
        },
        {
          "label": "Heat can change the route.",
          "text": "In one walking thread, a wearer liked shorter morning outings in a 12 lb vest but found a longer afternoon walk much too hot. Another reported moving vest walks indoors during Arizona summer heat. These are conditions people manage, not proof of a universal heat cutoff.",
          "source": "Community · Reddit r/walking",
          "source_ids": [
            "self10b6-weighted-vest-walking-heat"
          ]
        },
        {
          "label": "A vest and a pack feel different.",
          "text": "Rucking commenters split: some like a vest's balanced, hands-free load on local walks; others find chest pressure, shoulder pain, trapped heat and little room for water or layers. A backpack with a hip belt can shift weight to the hips, but its fit and balance differ too. Some suggest trying a pack already at home with water bottles before buying a vest or purpose-built ruck.",
          "source": "Community · Reddit r/Rucking",
          "source_ids": [
            "self10b6-weighted-vest-ruck-pack"
          ]
        },
        {
          "label": "A tougher feeling is not a fixed calorie bonus.",
          "text": "One walker found little change in watch readings on a flat 5 km route but more change on steep terrain; another saves a 30 lb vest for brisk walks and leaves it home for casual ones. Those are personal readings and preferences, not measured outcomes for every walker.",
          "source": "Community · Reddit r/walking",
          "source_ids": [
            "self10b6-weighted-vest-walking-mixed"
          ]
        }
      ],
      "groups": [
        {
          "title": "Routes, load and hot weather",
          "item_indices": [
            0,
            1,
            2
          ]
        },
        {
          "title": "How the equipment and effort feel",
          "item_indices": [
            3,
            4
          ]
        }
      ]
    }
  ],
  "related": [
    "rucking",
    "ten-k-steps",
    "incline-walk",
    "zone-2",
    "lift-two-to-four"
  ]
}
