Design Office Chair for Squatting and Sitting

When designing an office chair for squatting and sitting, the following ideas can be considered, integrating ergonomic and dynamic health concepts to achieve functional innovation:

1. Squatting Chair Structure Design
Adopt a backless design that allows users to sit in a semi-squatting position. This sitting posture promotes blood circulation in the lower limbs by actively adjusting the body's center of gravity, reducing the risk of varicose veins caused by prolonged sitting, while activating the core muscles and relieving pressure on the lower back. The seat can be designed as a naturally swinging structure, providing slight dynamic support through elastic materials (such as high-density memory foam or springs), enabling users to maintain muscle activity through gentle rocking and avoiding fatigue caused by static sitting. The chair legs should be made of a sturdy metal or engineered plastic frame to ensure stability when squatting, while controlling the seat thickness between 5-8 centimeters to balance comfort and durability.

2. Adjustable Seat Cushion Partition Design
Drawing on the modular concept of Movively Pro, the seat cushion is divided into two independent left and right sections, each capable of independent rotation through built-in motors or mechanical structures. Users can set a timer mode (e.g., automatically switching states every 30 minutes) via a control switch on the side of the chair or a mobile app, causing one side of the seat cushion to slowly tilt 15-20 degrees, forcing the other leg to bear more weight and achieving alternating single-leg standing semi-sitting. This design compels users to change their posture, avoiding prolonged unilateral pressure, while allowing fine-tuning of the tilt angle to accommodate different body types.

3. Integrated Auxiliary Training Function
Add a foldable and sturdy support structure to the backrest or armrests, such as an adjustable-angle metal bracket or elastic resistance band. When performing chair-assisted squats, users can hold the armrests for balance, with the bracket limiting the squat depth to prevent excessive knee flexion; the resistance band provides progressive force feedback to help users gradually strengthen their lower limb muscles. This function is particularly suitable for post-knee surgery rehabilitation patients or sedentary individuals needing to prevent muscle atrophy. It is recommended to equip the chair with a safety locking mechanism to prevent sliding during training.

4. Ergonomic Adaptation System
The chair should be equipped with a pneumatic height adjustment rod, supporting height adjustments from 50-75 centimeters to ensure that users between 1.5-1.9 meters tall can have their feet flat on the ground, avoiding circulation issues caused by foot suspension. The seat edge should feature a curved design to reduce pressure on the back of the thighs; if equipped with a seat cushion partition function, anti-slip textures should be added to the tilted side to prevent users from sliding. Additionally, it is recommended to incorporate a weight-sensing module that automatically adjusts the seat cushion's elasticity based on the user's weight, ensuring appropriate support for individuals of different weights.