Figure 8From: Infant trunk posture and arm movement assessment using pressure mattress, inertial and magnetic measurement units (IMUs)Normalized workspace volume (left) and normalized surface area (right) values. Results are presented for referential motion capture system (Opto), 2 IMUs per arm (2IMUs), 1 IMU per upper arm (1UA), and 1 IMU per forearm (1FA) sensor placement.Back to article page