to keep an upright posture
61Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …
62Exercise ball — An exercise ball, also known as a Swiss ball, is a ball constructed of elastic soft PVC with a diameter of around 35 to 85 cm (14 to 34 inches). It is used in physical therapy and exercise.The ball is also known by a number of different names,… …
63Kayak — A kayak is a small human powered boat. It typically has a covered deck, and a cockpit covered by a spraydeck. It is propelled by a double bladed paddle in the hands of a sitting paddler. The kayak was used by the native Ainu, Aleut and Eskimo… …
64Weight training — This article is about strength training using weight (gravity) to generate resistance to contraction. For basic principles on increasing the strength of muscles, see strength training. A complete weight training workout can be performed with a… …
65Mona Lisa — This article is about the painting. For other uses, see Mona Lisa (disambiguation). Mona Lisa Italian: La Gioconda, French: La Joconde …
66Gerbil — Taxobox name = Gerbil fossil range = Late Miocene Recent image width = 250px regnum = Animalia phylum = Chordata classis = Mammalia ordo = Rodentia superfamilia = Muroidea familia = Muridae subfamilia = Gerbillinae subfamilia authority = Gray,… …
67Big Apple (dance) — The Big Apple is both a partner dance and a circle dance that originated in the Afro American community of the United States in the beginning of the 20th century.History Origin (1860 1936) The exact origin of the Big Apple is unclear but one… …
68List of cricket terms — Cricket is a team sport played between two teams of eleven. It is known for its rich terminology. [http://content usa.cricinfo.com/ci/content/story/239756.html A glossary of cricket terms ] from CricInfo retrieved May 13 2008]… …
69List of characters in the Alien series — This article lists characters and actors in the Alien series of science fiction films. The series spans four films: Alien (1979), Aliens (1986), Alien 3 (1992), and Alien Resurrection (1997). The only recurring actress in all four films is… …
70Types of gestures — Gestures are a form of body language or non verbal communication.Although some gestures, such as the ubiquitous act of pointing, differ little from one place to another, most gestures do not have invariable or universal meanings, having specific… …
