Leg unit for a wearable sitting posture assisting device

A method to block a wearable sitting posture assisting device in an at least partly sitting posture, comprising:

• providing a leg unit for the wearable sitting posture assisting device that comprises an upper support designed to receive a weight force of a person, a lower support designed to transmit the weight force of the person to a ground, a joint connecting the at least two supports to each other, a blocking means that implements a blocked state to block the joint at at least one sitting angle corresponding to the at least partly sitting posture, and a guiding means for the blocking means designed to allow a rotation of the joint while the blocking means is in the blocked state, wherein the blocking means has an adjustable length provided to define the at least partly sitting posture;
• blocking, via the blocking means, the joint in the at least partly sitting posture, the joint connecting the upper support to the lower support;
• and
• allowing a rotation of the joint while the blocking means is in the blocked state via the guiding means for the blocking means.