{
  "$schema": "https://openexercise.org/schema/v0/exercise.json",
  "aliases": [
    {
      "text": "Close-Stance Leg Press",
      "kind": "common"
    },
    {
      "text": "Narrow Leg Press",
      "kind": "common"
    },
    {
      "text": "Leg Presses (narrow)",
      "kind": "misspelling"
    }
  ],
  "anatomy": {
    "muscles": [
      {
        "muscle": "quadriceps",
        "role": "prime-mover"
      },
      {
        "muscle": "gluteus-maximus",
        "role": "synergist"
      },
      {
        "muscle": "adductor-magnus",
        "role": "synergist"
      },
      {
        "muscle": "soleus",
        "role": "synergist"
      }
    ],
    "joints": [
      {
        "joint": "knee",
        "actions": [
          "flexion",
          "extension"
        ]
      },
      {
        "joint": "hip",
        "actions": [
          "flexion",
          "extension"
        ]
      },
      {
        "joint": "ankle",
        "actions": [
          "dorsiflexion",
          "plantarflexion"
        ]
      }
    ]
  },
  "classification": {
    "modalities": [
      "hypertrophy",
      "strength"
    ],
    "movement_patterns": [
      "squat"
    ],
    "mechanics": "compound",
    "force": "push",
    "kinetic_chain": "closed",
    "laterality": "bilateral",
    "planes": [
      "sagittal"
    ],
    "contraction": [
      "dynamic"
    ],
    "level": "beginner"
  },
  "equipment": {
    "required": [
      [
        "leg-press-machine"
      ]
    ]
  },
  "external_ids": {
    "wger": "373"
  },
  "id": "oec:narrow-stance-leg-press",
  "instructions": {
    "setup": [
      "Sit securely in the leg press seat with your back and glutes firmly against the backrest.",
      "Place your feet near the center or lower portion of the sled platform, spaced about 3 to 6 inches apart, with toes pointing slightly outward or straight forward.",
      "Release the safety handles and extend your legs to take the weight, keeping a slight unlock in the knees at the top."
    ],
    "steps": [
      "Inhale and slowly lower the sled by bending at the hips and knees, allowing your knees to track in line with your feet.",
      "Descend until your knees are bent to approximately 90 degrees or as deep as possible without your pelvis or lower back lifting off the backrest.",
      "Press through the entire foot, driving through the midfoot and heels, to extend your legs back to the starting position without forcefully locking out your knees."
    ],
    "breathing": "Inhale as you lower the sled under control, and exhale as you press the sled away.",
    "cues": [
      "Keep your lower back glued to the pad.",
      "Track knees in line with your toes.",
      "Do not lock out your knees at the top."
    ],
    "common_faults": [
      {
        "fault": "Buttocks or lower back curling off the backrest at bottom position (butt wink).",
        "correction": "Limit the depth to where your pelvis remains firmly supported and neutral on the seat pad."
      },
      {
        "fault": "Hyperextending and locking out the knees forcefully at the top of each rep.",
        "correction": "Stop just short of total knee lockout to maintain muscular tension and protect the knee joints."
      },
      {
        "fault": "Heels lifting off the platform during the descent.",
        "correction": "Ensure your feet are positioned high enough on the footplate to keep full contact with your heels throughout the repetition."
      }
    ],
    "safety": {
      "precautions": [
        "Ensure the mechanical safety stops are set at a height that prevents the sled from crushing you if failure occurs.",
        "Keep hands on the support handles to anchor your upper body and monitor the safety catch levers."
      ],
      "spotter": "not-needed",
      "safeties": true
    }
  },
  "measurement": {
    "load": {
      "convention": "total",
      "implements": 1,
      "kind": "external"
    },
    "profiles": [
      {
        "required": [
          "load",
          "reps"
        ],
        "optional": [
          "rpe"
        ]
      }
    ],
    "records": {
      "e1rm": true,
      "volume": true
    },
    "reps_counted": "total"
  },
  "name": "Narrow-Stance Leg Press",
  "previous_ids": [
    "oec:leg-presses-narrow"
  ],
  "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 Presses (narrow)",
        "url": "https://wger.de/en/exercise/373/view-base",
        "license": "CC-BY-SA-3.0",
        "author": "wger.de"
      }
    ]
  },
  "relations": [
    {
      "type": "variation-of",
      "target": "oec:leg-press"
    },
    {
      "type": "substitute-for",
      "target": "oec:leg-press"
    },
    {
      "type": "substitute-for",
      "target": "oec:machine-hack-squat"
    },
    {
      "type": "substitute-for",
      "target": "oec:wide-stance-leg-press"
    }
  ],
  "setup": {
    "position": "seated",
    "range": "full",
    "stance": {
      "kind": "parallel",
      "width": "narrow"
    }
  },
  "status": "active",
  "summary": "A machine-based lower-body compound press performed with feet placed close together to emphasize the quadriceps."
}