Table 5: Contents of kin structure in -kin.mat files

From: Full body mobile brain-body imaging data during unconstrained locomotion on stairs, ramps, and level ground

kin.setup .segmentlabel 23×1 cell array containing the names of the body segments  
  .sensorlabel 17×1 cell array containing the sensor placement sites  
  .jointlabel 22×1 cell array containing the joint names  
  .numTrials Scalar value indicating the number of times the gait course was completed for that session (down and back indicates one completion). This is either one or two.  
kin.data .sensorAcceleration .Pelvis.
T8.
Head.
RightShoulder.
RightUpperArm.
RightForeArm.
RightHand.
LeftShoulder.
LeftUpperArm.
LeftForeArm.
LeftHand.
RightUpperLeg.
RightLowerLeg.
RightFoot.
LeftUpperLeg.
LeftLowerLeg.
LeftFoot
N×3 matrix containing sensor acceleration vector (x,y,z) at each time point N (units: m/s2)
  .sensorAngularVelocity   N×3 matrix containing sensor angular velocity vector (x,y,z) at each time point N (units: rad/s2)
  .sensorOrientation   N×3 matrix containing sensor orientation vector (x,y,z) at each time point N in the global frame (units: m)
  .sensorMagneticField   N×3 matrix containing sensor magnetic field vector (x,y,z) at each time point N (units: arbitrary)
  .orientationQuaternion .Pelvis.
L5.
L3.
T12.
T8.
Neck.
Head.
RightShoulder.
RightUpperArm.
RightForeArm.
RightHand.
LeftShoulder.
LeftUpperArm.
LeftForeArm.
LeftHand.
RightUpperLeg.
RightLowerLeg.
RightFoot.
RightToe.
LeftUpperLeg.
LeftLowerLeg.
LeftFoot.
LeftToe
N×4 matrix containing segment orientation quaternion (q0, q1, q2, q3) at each time point N
  .orientationEuler   N×3 matrix containing segment orientation (x,y,z) at each time point N (units: m)
  .position   N×3 matrix containing the position vector (x, y, z) of the origin of the segment in the global frame at each time point N (units: m)
  .velocity   N×3 matrix containing the velocity vector (x, y, z) of the origin of the segment in the global frame at each time point N (units: m/s)
  .acceleration   N×3 matrix containing the acceleration vector (x, y, z) of the origin of the segment in the global frame at each time point N (units: m/s2)
  .angularVelocity   N×3 matrix containing the angular velocity vector (x, y, z) of the segment in the global frame in (units: rad/s)
  .angularAcceleration   N×3 matrix containing the angular acceleration vector (x, y, z) of the segment in the global frame in (units: rad/s2)
  .jointAngle .jL5S1.
jL4L3.
jL1T12.
jT9T8.
jT1C7.
jC1Head.
jRightC7Shoulder.
jRightShoulder.
jRightElbow.
jRightWrist.
jLeftC7Shoulder.
jLeftShoulder.
jLeftElbow.
jLeftWrist.
jRightHip.
jRightKnee.
jRightAnkle.
jRightBallFoot.
jLeftHip.
jLeftKnee.
jLeftAnkle.
jLeftBallFoot
N×3 matrix containing the Euler representation of the joint angle vector (x, y, z) calculated using the Euler sequence ZXY (units: deg)
  .centerOfMass N×3 matrix containing the body Center of Mass (x,y,z) in the global frame at each time point N (units: m)  
kin.srate Scalar value indicating sampling rate of system (30 Hz or 60 Hz)