Table 2 Required functions of proposed prototype
From: Restoring natural upper limb movement through a wrist prosthetic module for partial hand amputees
Dimensions | Required functions | Proposed |
|---|---|---|
Hand (thumb and index finger) and wrist joint [26] | ||
Weight (g) | 540 | 500 |
Wrist thickness (mm) | 43.0 | 44.0 |
Wrist width (mm) | 63.1 | 78.2 |
Wrist circumference (mm) | 172.4 | 201.2 |
Degree of freedom | Functional ROM [35] | Proposed |
|---|---|---|
Wrist pronation (deg.) | 65 | 70 |
Wrist supination (deg.) | 77 | 70 |
Hand open (deg.) | 50 | 90 |
Hand close (deg.) | 70 | 90 |
Degree of freedom | Torque: mean [35] | Proposed |
|---|---|---|
Wrist pronation (N) | 9.0 | 12.0 |
Wrist supination (N) | 9.5 | 7.0 |
Hand open/close (N) | 5.0 | 4.6 |
Degree of freedom | Speed [35] | Proposed |
|---|---|---|
Wrist pronation/ supination (rad/s) | 1.7 | 1.7 |
Hand open/ close (rad/s) | 1.7 | 1.7 |