Support phase
As support phase in which is biomechanics during locomotion the time designated during which a part of the body contact with the ground and thus has the gravitational force counteracts. The term is generally used for animals that move on the ground (terrestrial locomotion). During the support phase, usually in the end phase, the force is also transmitted for acceleration in the desired direction of movement. The term is also used in an analogous way for walking robots .
The term has a special meaning in the field of sports science . This also includes cases in which the ground contact is not made directly but via sports equipment, such as on the horizontal bar or when using ski sticks .
Support phase when walking and running on two legs
The term is most often used for two-legged locomotion. When walking , the amount of time that both legs are in contact with the ground is called the double support phase. This period makes up - at least in humans - about 20 percent of the total cycle time. The Running differs from walking in that there is no double support phase, but instead a flight phase.
In running the support phase is divided into a front and a rear support phase . The front support phase begins with the touchdown of the foot, which - depending on the running style and running speed - can be done with the rear foot, metatarsus or forefoot. This phase ends when the center of gravity of the body is above the foot. During the front support phase, the impact is cushioned and the balance stabilized. During the subsequent rear support phase, the strength for the push-off is mainly developed. The push off occurs by stretching the hip , knee and ankle . The support phase ends when the foot is pushed off the ground.
Walking robot
The term is used analogously for walking robots , here it describes the period of time during which a leg of a robot is in contact with the ground. The remaining time portion of a movement cycle is referred to as the return phase, which in turn is divided into release, transfer and lowering phases.
literature
- Holger Preuschoft, Hartmut Witte, Andreas Christian, Stephan Recknagel: Body shape and locomotion in large mammals . In: Negotiations of the German Zoological Society . 87 (2), 1994, pages 147–163 ( online ; PDF; 1.1 MB)
Individual evidence
- ↑ Juan Pedro, Bandera Rubio, Changjiu Zhou, Francisco Sandoval Hernández: Vision-based Walking Parameter Estimation for Biped Locomotion Imitation ( Memento of the original from July 20, 2008 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice. (PDF; 163 kB). In: Lecture Notes in Computer Science . Volume 3512, 2005, pages 677-684
- ↑ Lars Janshen: Biomechanics of Running ( Memento from December 25, 2007 in the Internet Archive )
- ↑ Wernder Schwarz: Running. The classic among endurance sports. ( Memento of the original from January 15, 2016 in the Internet Archive ) Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Quality of Life - Association for the Promotion of Environmentally Conscious Lifestyles (Ed.), October 2005
- ↑ Thomas Ihme: Control of six-legged walking robots under the aspect of technical applications ( Memento of the original from June 9, 2007 in the Internet Archive ) Info: The archive link was automatically inserted and not yet checked. Please check the original and archive link according to the instructions and then remove this notice. (PDF; 4.2 MB). Page 65, Magdeburg 2002
