1. INTRODUCTION
2. OBSERVATIONS
2.1. IFS Spectra and kinematic maps
2.2. Multi Gaussian Expansion profiles and effective radius
2.3. Stellar Mass
2.4. Sample Selection
3. SCHWARZSCHILD ORBIT-SUPERPOSITION TECHNIQUE
3.1. Schwarzschild's models and free parameters
3.2. Gravitational Potential
3.3. Orbit library
3.4. Best-fit model
4. RESULTS
4.1. Inner mass distribution
4.2. Intrinsic stellar shape
4.4. Spin Parameter
4.5. Orbital structure
4.6. Higher-order stellar kinematics and orbital components
5. DISCUSSION
5.1. Comparison with previous studies
5.2. Implications for galaxy formation