"exertional" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "exertion",
        "3": "al"
      },
      "expansion": "exertion + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "exertion + -al",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "exertional (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms suffixed with -al",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2008 March 7, Agence France-Presse, “Bonds’s 756th Home Run Ball Could Soon Reach the Hall of Fame”, in New York Times",
          "text": "The San Francisco Giants left-hander Noah Lowry needs surgery to correct exertional compartment syndrome, which according to mayoclinic.com causes pain, swelling and sometimes disability in affected muscles of the legs or arms.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of or pertaining to exertion."
      ],
      "id": "en-exertional-en-adj-ZfASHYKX",
      "links": [
        [
          "exertion",
          "exertion"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "exertional"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "exertion",
        "3": "al"
      },
      "expansion": "exertion + -al",
      "name": "suffix"
    }
  ],
  "etymology_text": "exertion + -al",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "exertional (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms suffixed with -al",
        "English terms with quotations",
        "English uncomparable adjectives"
      ],
      "examples": [
        {
          "ref": "2008 March 7, Agence France-Presse, “Bonds’s 756th Home Run Ball Could Soon Reach the Hall of Fame”, in New York Times",
          "text": "The San Francisco Giants left-hander Noah Lowry needs surgery to correct exertional compartment syndrome, which according to mayoclinic.com causes pain, swelling and sometimes disability in affected muscles of the legs or arms.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "Of or pertaining to exertion."
      ],
      "links": [
        [
          "exertion",
          "exertion"
        ]
      ],
      "tags": [
        "not-comparable"
      ]
    }
  ],
  "word": "exertional"
}