{
  "$schema": "https://openexercise.org/schema/v0/exercise.json",
  "aliases": [
    {
      "text": "Leg Swings (Front–Back)",
      "kind": "common"
    },
    {
      "text": "Forward and Backward Leg Swing",
      "kind": "common"
    },
    {
      "text": "Sagittal Leg Swing",
      "kind": "common"
    },
    {
      "text": "Front to Back Leg Swing",
      "kind": "common"
    }
  ],
  "anatomy": {
    "muscles": [
      {
        "muscle": "iliopsoas",
        "role": "prime-mover"
      },
      {
        "muscle": "gluteus-maximus",
        "role": "prime-mover"
      },
      {
        "muscle": "hamstrings",
        "role": "synergist"
      },
      {
        "muscle": "rectus-femoris",
        "role": "synergist"
      },
      {
        "muscle": "gluteus-medius",
        "role": "stabilizer"
      },
      {
        "muscle": "rectus-abdominis",
        "role": "stabilizer"
      }
    ],
    "joints": [
      {
        "joint": "hip",
        "actions": [
          "flexion",
          "extension"
        ]
      },
      {
        "joint": "lumbar-spine",
        "actions": [
          "isometric-stabilization"
        ]
      }
    ]
  },
  "classification": {
    "modalities": [
      "mobility",
      "flexibility"
    ],
    "movement_patterns": [
      "mobility-drill",
      "swing",
      "stretch"
    ],
    "mechanics": "isolation",
    "force": "not-applicable",
    "kinetic_chain": "open",
    "laterality": "unilateral",
    "planes": [
      "sagittal"
    ],
    "contraction": [
      "dynamic"
    ],
    "level": "beginner"
  },
  "equipment": {
    "optional": [
      "wall"
    ],
    "required": []
  },
  "external_ids": {
    "wger": "1670"
  },
  "id": "oec:front-to-back-leg-swing",
  "instructions": {
    "setup": [
      "Stand tall on one leg next to a sturdy wall, post, or rack.",
      "Place the nearest hand lightly against the support for balance.",
      "Keep the standing leg slightly soft at the knee and brace your core."
    ],
    "steps": [
      "Swing the free leg forward in a smooth, pendulum-like motion, elevating the foot comfortably.",
      "Allow the leg to swing naturally back through the starting position and extend behind you.",
      "Gradually increase the range of motion as your tissues warm up, maintaining a stable, upright torso.",
      "Complete the desired repetitions, then switch sides."
    ],
    "breathing": "Breathe rhythmically and continuously, exhaling gently as the leg swings forward and inhaling as it swings back.",
    "cues": [
      "Move from the hip, not the lower back.",
      "Stand tall on the support leg.",
      "Keep the swing fluid and controlled."
    ],
    "common_faults": [
      {
        "fault": "Excessively arching or rounding the lower back to force higher swings.",
        "correction": "Brace the abdominals and limit the leg swing to the range your hips can achieve without spinal movement."
      },
      {
        "fault": "Swinging aggressively with rigid momentum rather than controlled rhythm.",
        "correction": "Start with smaller, relaxed swings and build amplitude gradually without forcing end-range bounce."
      }
    ],
    "safety": {
      "precautions": [
        "Ensure ample clear space in front and behind you so your foot does not hit any objects."
      ],
      "spotter": "not-needed"
    }
  },
  "measurement": {
    "duration_counted": "per-side",
    "load": {
      "kind": "none"
    },
    "profiles": [
      {
        "required": [
          "reps"
        ],
        "optional": [
          "duration",
          "rpe"
        ]
      },
      {
        "required": [
          "duration"
        ],
        "optional": [
          "reps",
          "rpe"
        ]
      }
    ],
    "records": {},
    "reps_counted": "per-side"
  },
  "name": "Front-to-Back Leg Swing",
  "previous_ids": [
    "oec:leg-swings-front-back"
  ],
  "provenance": {
    "generated": [
      "/name",
      "/summary",
      "/classification",
      "/anatomy",
      "/equipment",
      "/measurement",
      "/instructions",
      "/setup",
      "/relations"
    ],
    "license": "CC-BY-SA-4.0",
    "review": {
      "status": "machine-generated",
      "model": "gemini-3.8-flash",
      "at": "2026-10-31"
    },
    "sources": [
      {
        "title": "wger: Leg Swings (Front–Back)",
        "url": "https://wger.de/en/exercise/1670/view-base",
        "license": "CC-BY-SA-4.0",
        "author": "Jhonatan"
      }
    ]
  },
  "relations": [
    {
      "type": "substitute-for",
      "target": "oec:standing-straight-leg-kick"
    }
  ],
  "setup": {
    "position": "standing",
    "stance": {
      "kind": "single-leg"
    }
  },
  "status": "active",
  "summary": "A dynamic lower-body mobility exercise that swings the leg through sagittal hip flexion and extension to prepare the hips and legs for activity."
}