{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "name": "M. Sartorius — surface EMG electrode placement",
    "id": "sartorius_r",
    "slug": "sartorius-r",
    "url": {
        "en": "https://emgguide.de/muscle/sartorius-r",
        "de": "https://emgguide.de/de/muscle/sartorius-r",
        "viewer3d": "https://emgguide.de/?muscle=sartorius_r",
        "json": "https://emgguide.de/muscle/sartorius-r.json"
    },
    "names": {
        "latin": "M. Sartorius",
        "en": "Sartorius",
        "de": "Schneidermuskel"
    },
    "side": "right",
    "region": {
        "key": "THIGH_ANTERIOR",
        "en": "Thigh Anterior",
        "de": "Oberschenkel Vorne"
    },
    "placementStandard": "adapted from peer-reviewed literature (see source)",
    "source": {
        "url": "",
        "short": "Criswell 2011",
        "citation": "Criswell E. Cram's Introduction to Surface Electromyography. 2nd ed. Jones & Bartlett Learning; 2011. ISBN 978-0-7637-3274-5."
    },
    "electrode": {
        "position": {
            "en": "Proximal anterior thigh, approx. 4 cm distal to the anterior superior iliac spine; stay proximal to minimise crosstalk from the rectus femoris",
            "de": "Proximaler ventraler Oberschenkel, ca. 4 cm distal der Spina iliaca anterior superior; bewusst proximal bleiben (Crosstalk M. rectus femoris)"
        },
        "orientation": {
            "en": "Oblique along the muscle course (from the ASIS medially and distally), 2 cm inter-electrode distance",
            "de": "Schräg entlang des Muskelverlaufs (von der SIAS nach medial-distal), 2 cm Elektrodenabstand"
        },
        "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": "Hip flexion, abduction and external rotation; knee flexion and internal rotation (longest muscle of the body)",
            "de": "Flexion, Abduktion und Außenrotation im Hüftgelenk; Flexion und Innenrotation im Kniegelenk (längster Muskel des Körpers)"
        },
        "origin": {
            "en": "Anterior superior iliac spine (ASIS)",
            "de": "Spina iliaca anterior superior (SIAS)"
        },
        "insertion": {
            "en": "Pes anserinus (proximal medial tibial surface)",
            "de": "Pes anserinus (mediale Tibiafläche proximal)"
        },
        "innervation": {
            "en": "Femoral nerve, L2–L4",
            "de": "N. femoralis, L2–L4"
        }
    },
    "testMovement": {
        "en": "Supine: flex and externally rotate the thigh while flexing the knee, against resistance",
        "de": "In Rückenlage Hüftflexion mit Außenrotation und Kniebeugung gegen Widerstand"
    },
    "placementNotes": {
        "source": "Criswell E. Cram's Introduction to Surface Electromyography. 2nd ed. Jones & Bartlett; 2011, p. 361",
        "site": "Hip Flexor (Sartorius)",
        "placementType": "quasi-specific",
        "signalCheck": {
            "de": "In Rückenlage Hüfte beugen und außenrotieren, dabei Knie beugen.",
            "en": "Supine: flex and externally rotate the thigh while flexing the knee."
        },
        "crosstalk": {
            "de": [
                "Rectus femoris",
                "Iliopsoas",
                "Adductor magnus"
            ],
            "en": [
                "rectus femoris",
                "iliopsoas",
                "adductor magnus"
            ]
        },
        "artifacts": null
    },
    "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"
}