{
    "@context": "https://schema.org",
    "@type": "Dataset",
    "name": "M. Flexor Digitorum Superficialis — surface EMG electrode placement",
    "id": "flexor_digitorum_superficialis_r",
    "slug": "flexor-digitorum-superficialis-r",
    "url": {
        "en": "https://emgguide.de/muscle/flexor-digitorum-superficialis-r",
        "de": "https://emgguide.de/de/muscle/flexor-digitorum-superficialis-r",
        "viewer3d": "https://emgguide.de/?muscle=flexor_digitorum_superficialis_r",
        "json": "https://emgguide.de/muscle/flexor-digitorum-superficialis-r.json"
    },
    "names": {
        "latin": "M. Flexor Digitorum Superficialis",
        "en": "Flexor Digitorum Superficialis",
        "de": "Oberflächlicher Fingerbeuger"
    },
    "side": "right",
    "region": {
        "key": "FOREARM",
        "en": "Forearm",
        "de": "Unterarm"
    },
    "placementStandard": "adapted from peer-reviewed literature (see source)",
    "source": {
        "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": "On the flexor side of the mid-forearm, approximately three quarters of the distance from the elbow to the wrist; flex only the fingers (not the wrist) and record where the movement is felt most clearly",
            "de": "Auf der Beugeseite der Unterarmmitte, etwa bei drei Vierteln der Strecke Ellenbogen-Handgelenk; nur die Finger beugen (nicht das Handgelenk) und dort ableiten, wo die Bewegung am deutlichsten zu tasten ist"
        },
        "orientation": {
            "en": "Parallel to the muscle fibres, 2 cm inter-electrode distance - quasi-specific site, crosstalk from the neighbouring finger flexors",
            "de": "Parallel zum Faserverlauf, 2 cm Elektrodenabstand - quasi-spezifische Site, Crosstalk aus den benachbarten Fingerbeugern"
        },
        "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": "Flexion at the proximal interphalangeal joint (PIP) of fingers II-V, wrist flexion",
            "de": "Flexion im proximalen Interphalangealgelenk (PIP) der Finger II–V, Handgelenkflexion"
        },
        "origin": {
            "en": "Medial epicondyle of the humerus, coronoid process of the ulna, radius",
            "de": "Epicondylus medialis humeri, Processus coronoideus ulnae, Radius"
        },
        "insertion": {
            "en": "Middle phalanges of fingers II-V (lateral surfaces)",
            "de": "Mittelphalangen der Finger II–V (Seitenflächen)"
        },
        "innervation": {
            "en": "Median nerve, C7–T1",
            "de": "N. medianus, C7–T1"
        }
    },
    "testMovement": {
        "en": "Finger flexion at the middle joint against resistance",
        "de": "Beugung der Finger im Mittelgelenk gegen Widerstand"
    },
    "placementNotes": {
        "source": "Criswell E. Cram's Introduction to Surface Electromyography. 2nd ed. Jones & Bartlett; 2011, p. 332",
        "site": "Flexor Digitorum Superficialis",
        "placementType": "quasi-specific",
        "signalCheck": {
            "de": "Finger beugen, ohne das Handgelenk zu beugen.",
            "en": "Flex the fingers while avoiding wrist flexion."
        },
        "crosstalk": {
            "de": [
                "Flexor carpi radialis — bei zu radialer Lage sicher Crosstalk"
            ],
            "en": [
                "flexor carpi radialis — crosstalk is certain if placed too radially"
            ]
        },
        "artifacts": null
    },
    "mvcTest": {
        "source": "Konrad P. The ABC of EMG. Noraxon; 2005, p. 31",
        "group": "forearm",
        "en": {
            "position": "Seated or kneeling in front of a bench with the forearm resting on a stable support.",
            "fixation": "Forearm fully supported; wrist free to work against the resistance.",
            "resistance": "Manual resistance, a barbell or a cable/belt against the wrist or hand.",
            "control": "Use the latissimus dorsi and pectoralis major tests as control exercises.",
            "note": "Konrad treats the forearm flexors and extensors as one group; wrist flexion for the flexors, wrist extension for the extensors."
        },
        "de": {
            "position": "Sitzend oder kniend vor einer Bank, der Unterarm liegt auf einer stabilen Unterlage.",
            "fixation": "Unterarm vollständig aufgelegt; das Handgelenk arbeitet frei gegen den Widerstand.",
            "resistance": "Manueller Widerstand, Hantelstange oder Seilzug/Gurt gegen Handgelenk oder Hand.",
            "control": "Als Kontrollübungen die Tests für Latissimus dorsi und Pectoralis major mitlaufen lassen.",
            "note": "Konrad fasst Unterarm-Flexoren und -Extensoren als eine Gruppe: Handgelenksflexion für die Flexoren, Handgelenksextension für die Extensoren."
        }
    },
    "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"
}