Table 5.
Description of the features extracted from the IMU sensor data.
Variable | Unit | Description | |
---|---|---|---|
Stride timing | Stride duration | s | Duration of one complete stride cycle |
Stance duration | Period of ground contact (weightbearing) of an individual limb | ||
Stride frequency | Hz | Number of repetitions of the stride unit per second | |
Duty factor (relative stance duration) | Duration of stance phase as a proportion of the total limb cycle duration | ||
Interlimb timing | Diagonal advance placement | % of stride duration | Temporal dissociation at hoof contact between diagonal limb pairs |
Lateral advance placement | Temporal dissociation at hoof contact between ipsilateral limb pairs | ||
Minimum number of limbs on the ground | Minimum number of limbs on the ground per stride | ||
Maximum number of limbs on the ground | Maximum number of limbs on the ground per stride | ||
Median number of limbs on the ground | Median number of limbs on the ground per stride | ||
Quardupedal stance | % of stride duration | Time of simultaneous stance of four limbs | |
Tripedal stance | Time of simultaneous stance of tree limbs | ||
Bipedal stance | Time of simultaneous stance of two limbs | ||
Single limb stance | Time of simultaneous stance of one limb | ||
Suspension | Airborne phase of stride where all four limbs are in swing phase and free from weightbearing | ||
Limb pair overlap LF-RF | Period of synchronous ground contact between LF and RF limbs | ||
Limb pair overlap LH-RH | Period of synchronous ground contact between LH and RH limbs | ||
Limb pair overlap LF-LH | Period of synchronous ground contact between LF and LH limbs | ||
Limb pair overlap RF-RH | Period of synchronous ground contact between RF and RH limbs | ||
Limb pair overlap LF-RH | Period of synchronous ground contact between LF and RH limbs | ||
Limb pair overlap RF-LH | Period of synchronous ground contact between RF and LH limbs |
LF Left front limb, RF Right front limb, LH Left hind limb, RH Right hind limb.