The lower extremity of the vertebrate leg that is in direct contact with the ground in standing or walking. X ft. A structure used for locomotion or attachment in an invertebrate animal, such as the muscular organ extending from the ventral side of a mollusk. Frequently there is an anterior-posterior division into a propodium and a metapodium, with the former capable of being reflexed over the shell. Phylum Mollusca is one of the largest and most successful phyla within the animal kingdom. The number of fossil species is estimated between 60,000 and 100,000 additional species. Foot definition: Your feet are the parts of your body that are at the ends of your legs, and that you... | Meaning, pronunciation, translations and examples It describes how fast an object is moving using distance and time. One of the sequelae generated by a pronated foot during propulsion is a hypermobile first ray. It gives us a powerful grip but also allows us to manipulate small objects with great precision. When the larva is ready to become an adult, the body elongates, and the shell gland secretes the plates of the shell. ... the head-foot and the visceral mass. Squat constitutes one of the most popular exercises to strengthen the muscles of the lower limbs. feet (fēt) 1. Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda.The members are known as molluscs or mollusks (/ ˈ m ɒ l ə s k /).Around 85,000 extant species of molluscs are recognized. Based on the results of previous study, the value of GRF and the potential energy of human gait (walking) on the floor height change as deep as 5 cm yield the greatest value. Molluscs are diverse with regard to their external morphology; in size, they range from microscopic clams and snails to giant oceanic squid and the massive tridacnid clams of Indo-Pacific coral reefs. Biomechanics can also be useful in a critical evaluation of current or newly proposed patient evaluations and treatments. foot top: a human foot bottom: on a sewing machine foot (fo͝ot) n. pl. Instead, a segmented shell gland forms on one side of the larva, and a foot forms on the opposite side. phase finds the foot progressively supinating in order to form a rigid lever.23 The longer the foot stays in a pronated position during the midstance phase or the propulsive phase, the greater the chance to develop structural deformities. Speed Speed is one way to describe motion. And this would give us our work done as 100 lb. The proportion of undescribed species is very high. 2. So, we would look at the question in the previous illustration and then calculate the work by multiplying our force we are lifting, like 100 pounds for example, by the distance it moved, like one foot. Average speed is the total distance traveled over the total time and instantaneous speed is the speed at a particular moment For example, 30 miles per hour means object travels distance of 30 miles in an elapsed time of one hour. Gastropod - Gastropod - The foot: Although the basic form of the foot is a flat, broadly tapered, muscular organ, which is highly glandularized and usually ciliated, numerous modifications occur in various groups. The hand is one of the most complex and beautiful pieces of natural engineering in the human body. There are Scott S H, Winter D A. Biomechanical model of the human foot: Kinematics and kinetics during the stance phase of walking. Journal of Biomechanics, 1993, 26, 1091–1104.  Ren L, Howard D, Ren L Q, Nester C J , Tian L M. A generic analytical foot rollover model for predicting translational ankle kinematics in gait simulation studies. Energy joule (J N m) foot pounds (ft-lb) 1 ft-lb 1.356 J Power watt (W J/s) horsepower (hp) 1 hp 7457 W knowledge of both biomechanics and anatomy is needed to understand how the muscu-loskeletal system functions. One of them is with utilization of Ground Reaction Force (GRF) on the activity of walking as an alternative at FT UI.