{
  "$schema": "https://openexercise.org/schema/v0/exercise.json",
  "aliases": [
    {
      "text": "Triceps on Machine",
      "kind": "common"
    },
    {
      "text": "Seated Overhead Triceps Extension Machine",
      "kind": "common"
    },
    {
      "text": "Machine Triceps Extension",
      "kind": "common"
    }
  ],
  "anatomy": {
    "muscles": [
      {
        "muscle": "triceps-brachii",
        "role": "prime-mover"
      },
      {
        "muscle": "anconeus",
        "role": "synergist"
      },
      {
        "muscle": "deltoid-anterior",
        "role": "stabilizer"
      }
    ],
    "joints": [
      {
        "joint": "elbow",
        "actions": [
          "extension",
          "flexion"
        ]
      },
      {
        "joint": "glenohumeral",
        "actions": [
          "isometric-stabilization"
        ]
      }
    ]
  },
  "classification": {
    "modalities": [
      "hypertrophy",
      "strength"
    ],
    "movement_patterns": [
      "isolation-elbow-extension"
    ],
    "mechanics": "isolation",
    "force": "push",
    "kinetic_chain": "open",
    "laterality": "bilateral",
    "planes": [
      "sagittal"
    ],
    "contraction": [
      "dynamic"
    ],
    "level": "beginner"
  },
  "equipment": {
    "required": [
      [
        "selectorized-machine",
        "plate-loaded-machine"
      ]
    ]
  },
  "external_ids": {
    "wger": "661"
  },
  "id": "oec:machine-overhead-triceps-extension",
  "instructions": {
    "setup": [
      "Adjust the seat height so the machine's axis of rotation aligns with your elbow joints.",
      "Sit back firmly against the backrest with your feet planted flat on the floor.",
      "Reach overhead and grasp the handles with a firm, secure grip, positioning your elbows pointed forward."
    ],
    "steps": [
      "Keeping your upper arms stationary, extend your elbows to push the handles upward until your arms are nearly fully extended.",
      "Pause briefly at peak contraction without aggressively locking out your elbows.",
      "Lower the weight with control by flexing your elbows back to the starting stretch position."
    ],
    "breathing": "Exhale as you extend your elbows to press upward; inhale as you lower the weight back down under control.",
    "cues": [
      "Keep your upper arms locked in place.",
      "Extend through the triceps, not by flaring the elbows.",
      "Control the descent for a full triceps stretch."
    ],
    "common_faults": [
      {
        "fault": "Flaring the elbows out excessively during extension.",
        "correction": "Keep elbows pointed forward and aligned with the machine handles."
      },
      {
        "fault": "Swinging the torso or moving the upper arms to create momentum.",
        "correction": "Keep your back firmly pressed against the pad and move only at the elbow joint."
      },
      {
        "fault": "Hyperextending or violently slamming the elbows into full lockout.",
        "correction": "Stop just short of complete bone-on-bone lockout to maintain muscular tension."
      }
    ],
    "safety": {
      "precautions": [
        "Do not allow the handles to yank your arms back past a comfortable range of shoulder flexion."
      ],
      "spotter": "not-needed"
    }
  },
  "measurement": {
    "load": {
      "convention": "weight-stack",
      "implements": 1,
      "kind": "external"
    },
    "profiles": [
      {
        "required": [
          "reps",
          "load"
        ],
        "optional": [
          "rpe"
        ]
      }
    ],
    "records": {
      "e1rm": true,
      "volume": true
    },
    "reps_counted": "total"
  },
  "name": "Machine Overhead Triceps Extension",
  "previous_ids": [
    "oec:triceps-on-machine"
  ],
  "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: Triceps on Machine",
        "url": "https://wger.de/en/exercise/661/view-base",
        "license": "CC-BY-SA-3.0",
        "author": "wger.de"
      }
    ]
  },
  "relations": [
    {
      "type": "variation-of",
      "target": "oec:dumbbell-overhead-triceps-extension"
    },
    {
      "type": "substitute-for",
      "target": "oec:dumbbell-overhead-triceps-extension"
    },
    {
      "type": "substitute-for",
      "target": "oec:single-arm-cable-overhead-triceps-extension"
    }
  ],
  "setup": {
    "grip": {
      "orientation": "neutral"
    },
    "load_position": "overhead",
    "position": "seated",
    "range": "full"
  },
  "status": "active",
  "summary": "A seated machine isolation exercise that targets the triceps brachii through elbow extension in an overhead position."
}