---
license: cc-by-4.0
pretty_name: "Gait120 — Human Locomotion & EMG (cleaned subset)"
tags:
  - biomechanics
  - electromyography
  - emg
  - gait
  - motion-capture
  - musculoskeletal
size_categories:
  - 1B<n<10B
---

# Gait120 — Human Locomotion & EMG (cleaned subset)

Per-subject electromyography (EMG), joint kinematics, motion-capture marker data and
SMPL motion fits for **120 participants** performing **level walking**.

> ⚠️ **This is a modified / trimmed redistribution**, not the complete original archive.
> See [Relationship to the original dataset](#relationship-to-the-original-dataset).

## Attribution & license

This dataset is derived from and redistributed under **CC BY 4.0**:

> Koo, Seungbum; Boo, Junyo; Seo, Dongwook; Kim, Minseung (2025).
> *Comprehensive Human Locomotion and Electromyography Dataset: Gait120.* figshare. Dataset.
> https://doi.org/10.6084/m9.figshare.27677016.v1

Original source: https://springernature.figshare.com/articles/dataset/27677016 ·
License: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).
If you use this data, please cite the original authors above.

## Participants

120 participants, **all male**, organised as two age cohorts (subject ID is confounded with age):

| Cohort | Subjects | N | Mean age | Age range |
|--------|----------|---|----------|-----------|
| Young (YG) | S001–S060 | 60 | ~23 yr | 20–25 |
| Older (OG) | S061–S120 | 60 | ~47 yr | 40–59 |

Aggregate (n=120): age 35.4 ± 12.9 yr · height 1.73 ± 0.06 m · body mass 74.2 ± 12.5 kg.
Per-subject values are in `subject_metadata.csv` (adds an `age_group` column) and in the
original `Subject_Demographics.xlsx` / `Anthropometric_Data_Participants.xlsx`.

## Directory structure

Subjects are grouped in blocks of ten:

```
Gait120_001_to_010/
  S001/
    EMG/ConvertedData.mat                         # interpolated EMG per trial/step (LevelWalking)
    JointAngle/LevelWalking/TrialXX/stepYY.mot    # OpenSim inverse-kinematics joint angles (deg)
    MotionCapture/LevelWalking/
      TRC/TrialXX/{Step01.trc, Step02.trc, AllSteps.c3d,
                   mosh_results/.../AllSteps_stageii.pkl}   # markers, C3D, SMPL (MoSh++) fit
      MOT/TrialXX/{Step01.mot, Step02.mot}         # ground reaction forces (2 force plates)
  ...
Subject_Demographics.xlsx
Anthropometric_Data_Participants.xlsx
subject_metadata.csv
Matlab_Codes_for_Processing/
```

### Coverage notes
- **EMG `ConvertedData.mat`**: all 120 subjects.
- **JointAngle/LevelWalking** (`.mot`): all 120 subjects.
- **MotionCapture TRC + SMPL fit** (`AllSteps_stageii.pkl`): all 120 subjects (5 trials each).
- **Ground reaction forces** (`MotionCapture/.../MOT/`): **S011–S120 only** (110 subjects).
  S001–S010 have no processed GRF in the source dataset.

## Relationship to the original dataset

**Added** files:
- For each subject and trial, MotionCapture/LevelWalking/TRC contain **mosh_results** (SMPL-retargeted motions) in AllSteps_stageii.pkl;
- For each subject, original .mat files contained opaque objects so they were converted (**ConvertedData.mat**).
  
To keep the archive compact, the following were **removed** relative to the figshare release:
- `EMG/RawData.mat` and `EMG/ProcessedData.mat` (only `ConvertedData.mat` retained);
- all non-`LevelWalking` movements (StairAscent/Descent, SlopeAscent/Descent, SitToStand,
  StandToSit) under `JointAngle/`.