A Thought from our Chair

From a Real Chair to a Negative Chair

Rising from a chair. Influence of age and chair design.

We studied the effect of age on the act of rising from a standard armchair in a younger (means = 24 years) and an older (means = 75 years) group of healthy adult women. Rising from a standard armchair and an armchair specially designed for comfort in sitting of the elderly was studied in the older group to determine the influence of the special chair. We used electrogoniometry, EMG, and videota...

Chair design affects how older adults rise from a chair.

OBJECTIVE To determine how modifications of key chair design aspects, such as seat height, posterior seat tilt, backrest recline, seat compressibility, and armrest placement, affect how older adults rise from a chair and the seating comfort they experience. DESIGN Cross-sectional comparison. SETTING Congregate housing facility and university laboratory. SUBJECTS Two groups of volunteers, ...

Message from MMTC Chair

Dear MMTC fellow members, Thank you very much for your trust in selecting me in this Chair role to serve for this TC. As all of you may have observed, MMTC has made significant progress in the past 2 years under Qian's great leadership. I just list 2 examples below for your reference: • The influence of this TC has been significantly promoted to a larger community with 1000+ researchers; • The ...

Message from MMTC Chair

Video transmission combines large quantities of data with real-time requirements, two constraints which are hard to meet in low-power wireless multi-hop networks. This position paper presents experimental results of multi-hop video transmission in an IEEE802.15.4-based wireless network, using a protocol stack based solely on standards which are being finalized. This practical look allows us to ...