| Term | Definition |
| Initial Contact | The beginning of the stance phase that occurs when the foot touches the ground. |
| Loading Response | Corresponds to the amount of time between initial contact and the beginning of the swing phase for the other leg. |
| Midstance | Corresponds to the point in stance phase when the other foot is off the floor untill the body is directly over the stance limb. |
| Terminal Stance | Begins when the stance limb's heel rises and ends when the other foot touches the ground. |
| Pre-swing | Begins when the other foot touches the ground and ends when the stance foot reaches toe off. |
| Initial Swing | Begins when the stance foot lifts from the floor and ends with maximal knee flexion during swing. |
| Midswing | Begins with maximal knee flexion during swing and ends when the tibia is perpendicular with the ground. |
| Terminal Swing | Begins when the tibia is perpendicular to the floor and ends when the foot touches the ground. |
| Rancho Los Amigos Gait Terminology | Page 39 |