{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "name": "M. Serratus Anterior — surface EMG electrode placement",
    "id": "serratus_anterior_r",
    "slug": "serratus-anterior-r",
    "url": {
        "en": "https://emgguide.de/muscle/serratus-anterior-r",
        "de": "https://emgguide.de/de/muscle/serratus-anterior-r",
        "viewer3d": "https://emgguide.de/?muscle=serratus_anterior_r",
        "json": "https://emgguide.de/muscle/serratus-anterior-r.json"
    },
    "names": {
        "latin": "M. Serratus Anterior",
        "en": "Serratus Anterior",
        "de": "Vorderer Sägemuskel"
    },
    "side": "right",
    "region": {
        "key": "SHOULDER",
        "en": "Shoulder",
        "de": "Schulter"
    },
    "placementStandard": "adapted from peer-reviewed literature (see source)",
    "source": {
        "url": "https://www.jospt.org/doi/10.2519/jospt.2003.33.5.247",
        "short": "Ekstrom et al. 2003",
        "citation": "Ekstrom RA, Donatelli RA, Soderberg GL. Surface electromyographic analysis of exercises for the trapezius and serratus anterior muscles. J Orthop Sports Phys Ther. 2003;33(5):247-258."
    },
    "electrode": {
        "position": {
            "en": "Horizontally over 6th rib, below axilla",
            "de": "Horizontal über 6. Rippe, unterhalb Achselhöhle"
        },
        "orientation": {
            "en": "Horizontal, anterior to axillary line",
            "de": "Horizontal, anterior der Axillarlinie"
        },
        "sensorRules": "bipolar Ag/AgCl, ≤ 10 mm conductive diameter, 20 mm inter-electrode distance, parallel to fibres, reference electrode on bone (SENIAM)"
    },
    "landmarks": null,
    "anatomy": {
        "function": {
            "en": "Protraction and upward rotation of scapula, stabilization against thorax",
            "de": "Protraktion und Aufwärtsrotation der Scapula, Stabilisierung am Thorax"
        },
        "origin": {
            "en": "1st–9th rib (outer surface)",
            "de": "1.–9. Rippe (Außenfläche)"
        },
        "insertion": {
            "en": "Medial border of scapula (ventral surface)",
            "de": "Margo medialis der Scapula (ventrale Seite)"
        },
        "innervation": {
            "en": "Long thoracic nerve, C5–C7",
            "de": "N. thoracicus longus, C5–C7"
        }
    },
    "testMovement": {
        "en": "Push-up plus (scapular protraction) or push arm forward",
        "de": "Liegestütz-Plus (Scapula-Protraktion) oder Arm nach vorne drücken"
    },
    "placementNotes": {
        "source": "Criswell E. Cram's Introduction to Surface Electromyography. 2nd ed. Jones & Bartlett; 2011, p. 297",
        "site": "Serratus Anterior (Lower Fibers)",
        "placementType": "specific",
        "signalCheck": {
            "de": "Arme nach vorn heben, Schultern protrahieren, Liegestütz.",
            "en": "Forward flexion of the arms, shoulder protraction, push-ups."
        },
        "crosstalk": {
            "de": [
                "Latissimus dorsi",
                "Interkostalmuskeln",
                "kostaler Anteil des Pectoralis"
            ],
            "en": [
                "latissimus dorsi",
                "intercostal muscles",
                "costal portion of pectoralis"
            ]
        },
        "artifacts": {
            "de": "EKG und Atmung.",
            "en": "ECG and respiration."
        }
    },
    "mvcTest": null,
    "measurability": "surface EMG",
    "license": "Free to cite with attribution to emgguide.de. Electrode placements based on SENIAM (Hermens et al. 2000) and the cited literature; not an official SENIAM product; not a substitute for medical advice.",
    "publisher": {
        "name": "EMG Guide (menios GmbH)",
        "url": "https://emgguide.de/"
    },
    "dateModified": "2026-10-21"
}