Electrode Placement (SENIAM)
50% on line between sacrum and greater trochanter
Orientation: Parallel to line sacrum-greater trochanter
Source:
SENIAM (Hermens 2000) ↗
Hermens HJ, Freriks B, Disselhorst-Klug C, Rau G. Development of recommendations for SEMG sensors and sensor placement procedures. J Electromyogr Kinesiol. 2000;10(5):361-74.
Recording notes per Criswell 2011, site „Gluteus Maximus“, p. 353
- Placement type
- Specific site The signal originates predominantly from this muscle.
- Signal check
- Prone or standing (hands on the wall), extend the leg backwards; alternatively stair stepping, sit-to-stand, external rotation of the thigh.
- Crosstalk from
- usually not a problem per Criswell
- Artefacts
- A thick fat pad attenuates the signal; electrode slippage and movement artefact during walking.
Based on SENIAM recommendations (Hermens et al. 2000). Not an official SENIAM product. See all references →
· How electrodes are placed (guide)
· Glossary
All 47 muscle protocols as a PDF — free
Print-ready for the lab or clinic: 75 pages of protocols (SENIAM + peer-reviewed), plus the SENIAM table, a placement checklist and a sensor comparison sheet as A4 sheets.
Anatomy
Origin
Os sacrum (dorsal), Os ilium (behind posterior gluteal line), sacrotuberous ligament, thoracolumbar fascia
Insertion
Iliotibial tract, gluteal tuberosity of the femur
Test Movement
Hip extension from prone position against resistance with flexed knee
MVC reference test (Konrad 2005)
- Position
- Prone, hip hyperextension of about 20° with slightly outward-rotated leg; test with extended and with flexed knee.
- Fixation
- Pelvis fixed on the bench.
- Resistance
- Manual resistance or belt against the back of the thigh, hip extension against it.
- Control exercise
- The prone erector spinae test is the control exercise for the gluteus maximus.
Konrad: the hyperextension position (~20°) is important; perform both knee positions.
Konrad P. The ABC of EMG. Noraxon; 2005, p. 32. Konrad describes this test at group level; it applies to all muscles of the group. · Why and how to normalise to MVC
Clinical Applications
Common use cases for surface EMG measurement of the M. Gluteus Maximus:
- Hip rehabilitation after arthroplasty
- Gluteus medius weakness in runners
- Trendelenburg sign EMG analysis
Measure M. Gluteus Maximus activity live
The electrode is placed — what next? easyEMG visualises muscle activity in real time, with SENIAM-compliant placement guidance, up to 4 channels at once and biofeedback training right afterwards.
In rehabilitation, the Gluteus Maximus is typically recorded to track progress and retrain activation.
Frequently Asked Questions
Where do I place the EMG electrode on the M. Gluteus Maximus?
50% on line between sacrum and greater trochanter. Orientation: Parallel to line sacrum-greater trochanter. Based on the official SENIAM recommendations (Hermens et al. 2000).
Which test movement activates the M. Gluteus Maximus?
Hip extension from prone position against resistance with flexed knee. This movement is part of the SENIAM protocol for standardized contraction verification.
Is the M. Gluteus Maximus a SENIAM-recommended muscle?
Yes. The M. Gluteus Maximus is one of 26 muscles for which the SENIAM project has published official surface EMG electrode placement recommendations.
Related Muscles in This Region
Preview — open the 3D viewer to rotate the model and check neighbouring muscles.
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