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The Flex-Foot Cheetah and similar models are worn by Oscar Pistorius and other amputee athletes in the Paralympics and elsewhere. It is made from carbon fibre , and unlike all previous foot prostheses, [ citation needed ] it stores kinetic energy from the wearer's steps as potential energy, like a spring, allowing the wearer to run and jump.
Open fourth position, with heels lined up, one directly in front of the other Closed fourth position, with heel of each foot overlapping the toe of the other foot. There are two types of fourth position: ouverte and croise. In both cases, one foot is placed approximately 12 inches (30 cm) in front of the other. In open fourth position the heels ...
The terminology used describes this motion according to its direction relative to the anatomical position of the body parts involved. Anatomists and others use a unified set of terms to describe most of the movements, although other, more specialized terms are necessary for describing unique movements such as those of the hands, feet, and eyes.
When in lying position, the body may assume a great variety of shapes and positions. The following are the basic recognized positions: Supine position: lying on the back with the face up; Prone position: lying on the chest with the face down ("lying down" or "going prone") Lying on either side, with the body straight or bent/curled forward or ...
In anatomy, flexor is a muscle that contracts to perform flexion (from the Latin verb flectere, to bend), [1] a movement that decreases the angle between the bones converging at a joint.
They were developed by medical engineer Van Phillips who incorporated Flex-Foot, Inc. in 1984. In 2000, Van Phillips sold the company to Össur which, as of 2012, still manufactures the blades. They are designed to store kinetic energy like a spring, allowing the wearer to jump and run effectively. [7] Pistorius wearing Flex-Foot Cheetah blades
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The flexor digitorum longus runs along the medial posterior side of the lower leg and aids in flexions of the toes (apart from the big toe). The flexor digitorum longus muscle arises from the posterior surface of the body of the tibia, from immediately below the soleal line to within 7 or 8 cm of its lower extremity, medial to the tibial origin of the tibialis posterior muscle.