Sentence examples for backrest on from inspiring English sources

The effect of the backrest on fore-and-aft forces on the seat depended on whether the feet were supported or not.

The objectives of this study were to investigate whether fore-and-aft acceleration in the plane of the seat was an adequate predictor of vibration discomfort arising from low frequency oscillation in both the pitch and fore-and-aft axes, and to determine the effect of a backrest on discomfort during pitch and fore-and-aft oscillation at low frequencies.

Believe me, nearly two hours without a backrest on a hard bench can only be tolerated if the staging is excellent.

Back – The backrest on an ergonomic chair should support the natural curve of your spine, providing support in the lower back.

Heads thrown back, heads falling sideways, heads touching other heads, and easily the most popular position for napping: the arm on the backrest of the seat in front with the head on the forearm forward-leaner.

This study was designed to quantify the effect of foam and rigid backrests on the vertical apparent mass of the human measured at the seat surface supporting the body.

The push cycle duration (Δ t) was defined as the average of the period of time from two consecutive maxima identified on the forward component of the acceleration measured by the IMU located on the backrest of the wheelchair.

14– 16 The subject was asked to sit on a 43 cm high and 47.5 cm deep chair (or adjusted to fit each subject individually) by leaning their back on the backrest, arms folded on the chest, hip joints at 90 degrees, ankles slightly behind knee joints, and both feet fat on the floor.

The men play different characters: the one who is more terse and forward will eventually, sternly, physically bridge the player's chair – one hand on the backrest, the other on the desk – holding his body over her, positioning his face too close above hers, but never quite making physical contact.

Supporting your lower back properly, by actually using the backrest of your chair, rather than perching on the edge of the seat, will also help you sit erectly.

Effect of backrest height on wheelchair propulsion biomechanics for level and uphill conditions.