| sttkangle | Quantifies the Angle of a Statokinesigram |
| sttkarea | Quantifies the Area of a Statokinesigram (Center-of-Pressure displacement) |
| sttkeccentr | Estimates the Eccentricity of a Statokinesigram. |
| sttkellipseplot | Points of the Confidence Ellipse of a Statokinesigram |
| sttklength | Quantifies the length of a given Center-of-pressure trajectory (statokinesigram) |
| sttknorm | Standardizes Statokinesigrams |
| sttksdx | Quantifies the Lateral Sway Amplitude of a Statokinesigram |
| sttksdy | Quantifies the front-and-back Sway Amplitude of a Statokinesigram |
| sttkveloc | Velocity of a Center-of-pressure displacement |
| sttkxmdfreq | Quantifies the Median Frequency of the Lateral Displacement of COP. |
| sttkxveloc | Mean lateral velocity of Center-of-pressure displacement |
| sttkymdfreq | Quantifies the Median Frequency of the Anteroposterior Displacement of COP. |
| sttkyveloc | Mean front-to-back velocity of Center-of-pressure displacement |