Research Article
Real-Time Human Motion Capture Driven by a Wireless Sensor Network
Table 1
Description of human body joints.
| Name
of joint | Parent bone | Type of
joint | Freedom | Limitation
of activity
(degree) |
| | Spinal | None | / | / | 0–50 | | Cervical | Thoracic bones | Universal joint | 2 | 0–70 | | Shoulder | Thoracic bones | Universal joint | 2 | 0–180 | | Elbow | The upper arm bones | Hinge | 1 | 0–145 | | Wrist | Forearm bones | Hinge | 1 | 0–80 | | Hip | Hip bones | Universal joint | 2 | 0–180 | | Knee | Thigh bones | Hinge | 1 | 0–140 | | Ankle | Leg bones | Hinge | 1 | 0–45 |
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