MoCap marker names

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Based on the Plug-in-Gait setup.

Contents

Upper Body

Head Markers

  • LFHD = Left front head. Located approximately over the left temple
  • RFHD = Right front head. Located approximately over the right temple
  • LBHD Left back head. Placed on the back of the head, roughly in a horizontal plane of the front head markers
  • RBHD Right back head. Placed on the back of the head, roughly in a horizontal plane of the front head markers

Torso Markers

  • C7 = 7th Cervical Vertebrae Spinous process of the 7th cervical vertebrae
  • T10 = 10th Thoracic Vertebrae Spinous Process of the 10th thoracic vertebrae
  • CLAV = Clavicle Jugular Notch where the clavicles meet the sternum
  • STRN = Sternum Xiphoid process of the Sternum
  • RBAK = Right Back Placed in the middle of the right scapula. This marker has no symmetrical marker on the left side to help in autolabeling the marker
  • LSBL = Left shoulder blade. Placed at the end of the shoulder blade.
  • RSBL = Right shoulder blade. Placed at the end of the shoulder blade.

Arm Markers

  • LSHO = Left shoulder marker. Placed on the Acromio-clavicular joint
  • LUPA = Left upper arm marker. Placed on the upper arm between the elbow and shoulder markers. Should be placed asymmetrically with RUPA
  • LELB = Left elbow. Placed on lateral epicondyle approximating elbow joint axis
  • LFRA = Left forearm marker. Placed on the lower arm between the wrist and elbow markers. Should be placed asymmetrically with RFRA
  • LWRA = Left wrist marker A. Left wrist bar thumb side
  • LWRB = Left wrist marker B Left wrist bar pinkie side
  • LFIN = Left fingers Actually placed on the dorsum of the hand just below the head of the second metacarpal
  • RWRI = Right wrist. Placed on top of the hand
  • RHAO = Right hand outwards. Placed under the little finger.
  • RHAI = Right hand inwards. Placed under the index finger.
  • LHAO = Left hand outwards. Placed under the little finger.
  • LHAI = Left hand inwards. Placed under the index finger.

Lower Body

  • LASI = Left ASIS. Placed directly over the left anterior superior iliac spine
  • RASI = Right ASIS. Placed directly over the right anterior superior iliac spine
  • LPSI = Left PSIS. Placed directly over the left posterior superior iliac spine
  • RPSI = Right PSIS. Placed directly over the right posterior superior iliac spine
  • SACR = Sacral wand marker. Placed on the skin mid-way between the posterior superior iliac spines (PSIS). An alternative to LPSI and RPSI.
  • LKNE = Left knee. Placed on the lateral epicondyle of the left knee
  • LTHI = Left thigh. Place the marker over the lower lateral 1/3 surface of the thigh, just below the swing of the hand, although the height is not critical.
  • LANK = Left ankle. Placed on the lateral malleolus along an imaginary line that passes through the transmalleolar axis
  • LTIB = Left tibial wand marker. Similar to the thigh markers, these are placed over the lower 1/3 of the shank to determine the alignment of the ankle flexion axis
  • LTOE = Left toe. Placed over the second metatarsal head, on the mid-foot side of the equinus break between fore-foot and mid-foot
  • LHEE = Left heel. Placed on the calcaneous at the same height above the plantar surface of the foot as the toe marker
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