: A bucket-type transpelvic socket was fabricated for a man with paraplegia from spinal cord injury, who underwent right partial pelvic amputation and left hip disarticulation. His main problem was inability to sit due to asymmetrical pelvic shape. We prescribed a transpelvic prosthetic socket to enable him to sit again. The socket consisted of a dual structure: a hard frame and soft liner. The main features of the socket were redistribution of pressure to prevent recurrence of pressure ulcer, and a slightly backward tilt to maintain a comfortable sitting position. In addition, the socket had small air holes for ventilation; a big window in the abdominal area for management of stoma and cystostomy; and two straps for donning it independently. In addition, we confirmed the internal pressure distribution in the socket by a pressure mapping system to prevent reoccurrence of skin trouble. Finally, the patient regained independence in activities of daily living, including driving a car, after two months of rehabilitative training.
Purpose] The purpose of this study was to investigate the influence of rising motion, by analyzing the center of pressure (COP). [Participants and Methods] The subjects were 29 healthy males and females. The peak torque of each body part, long-sitting flexibility (LSF), and the required time were extracted as factors influencing the COP trace length, the speed of motion expressed by r, and the movement pattern expressed by θ.[Results] Trunk flexion at 120°/s, and trunk extension at 60 and 120°/s were identified as factors influencing the COP length. LSF and θ were identified as factors affecting r, the required time. Elbow joint flexion and extension at 90°/s were identified as factors affecting θ. [Conclusion] The results of this study suggest that the characteristics of the rising motion can be quantitatively understood by analysis of the COP information.
[Purpose] The purpose of this study was to compare the range of motion (ROM) during
supine-to-sitting position (StSP) movement between healthy young and elderly participants
to understand age-related tendencies, which is beneficial for the assessment and treatment
of frail elderly. [Participants and Methods] The participants were 14 healthy young males
(age, 19–24 years) and 16 healthy elderly individuals (8 males and 8 females; age,
65–74 years). Rising movement was performed 5 times freely at a comfortable speed.
[Results] The joint angles during StSP movements in right shoulder abduction, extension of
both shoulder joints, right elbow flexion, trunk extension, and adduction of both hip
joints were significantly larger, whereas neck flexion, trunk flexion, and left hip joint
abduction were significantly smaller in the healthy elderly participants than in the
healthy young participants. All joint movements were earlier in the elderly participants
than in the healthy young participants. [Conclusion] The results of this study suggest
that focusing on how to use both upper limbs is important, in addition to the neck and
trunk, when evaluating StSP movement. Similarly, to encourage independence during StSP
movement, the elbow extensors must be strengthened.
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