Instruction and study (2) Set-off and counterclaim (2) Posture (2) Eye (2) Equilibrium (Physiology) (2) Equilibrium (2) Practice (2) Equilibrio (Fisiología) (2) Ojos (2) Corps (2) Posture (2) Compensation (2) Équilibre (2) Pratique (2) Équilibre (physiologie) (2) Oeil (2) Dynamics (1) Handling (1) Testing (1) Discipline (1) Differentiation (1) Causes (1) Physiology (1) Travel (1) Assaying (1) Diseases (1) Communication (1) Adaptation (1) Terms and phrases (1) Observations (1)