what is and where is the SI joint?
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It is the joint that the psiatic nerve travels through. It is directly above the pelvis.
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Pectoral girdle.\nIt corresponds to the pelvic girdle at the other end of the vertebral column.
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G'day CathDunn04,\n\nThank you for your question.\n\nThe SI unit of measurement for force is the newton. There was an earlier unit called a dyne. The imperial equivalent was a slug.  The SI Unit was named after Sir Isaac Newton and his development of the second law of motion.\n\nI have attached sources for your reference.\n\nRegards
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Pivot Joint: This type of joint allows bones to spin and twist around other bones. There are pivot joints in the neck and the radius part of the elbow.
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an isthmus is the answer, a peninsula only sticks out, doesnt connect
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The web address below is a map of the Physiographic Divisions of Indiana I hope it helps.\n\nThe second web address contains some information that may also be of use to you.It  has links that may give more detailed descriptions.
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Now for the correct answer. These joints are indeed synovial or diathrotic joints. The articular surfaces are flat, so they are NOT a hinge joint. They are a Facet or plane joint. The movement is the surfaces gliding over each other so there is no axis of rotation.
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you can visit www.sify.com for details
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Tibia\n\nedit:\nHere is a web site with more info\nhttp://en.wikipedia.org/wiki/Tibia
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A joint (articulation) is the location at which two bones make contact (articulate). Joints are constructed to both allow movement and provide mechanical support.\n\nStructurally, joints are classified as:\n\nfibrous - bones are connected by collagen. \ncartilaginous - bones are connected by cartilage. \nsynovial - there is a space (synovial cavity) between the articulating bones. \n\nFibrous joints\nIn fibrous joints bones are joined by tight and inflexible layers of dense connective tissue, consisting mainly of collagen fibers. In adults, these are not designed to allow any movement; however, in children, fibrous joints have not solidified and are movable. Examples of fibrous joints are:\n\nCranial sutures, joining the bones of the cranium. \nGomphoses, the joints between the roots of the teeth and their sockets (or alveoli)and in maxilla and mandible.g \n\nCartilaginous joints\nIn cartilaginous joints (also known as synchondroses) bones are connected entirely by cartilage. In comparison to synovial joints, cartilaginous joints allow only slight movement. Examples of cartilaginous joints are the pubic symphysis, the joints between the ribs and the sternum, and the cartilage connecting the growth regions of immature long bones. Another example is in the spinal column - the cartilaginous region between adjacent vertebrae. and are made of cartilage.\n\n\nSynovial joints\nSee synovial joint for details. (The term "Synovial joint" and "Diarthrosis joint" are often used interchangeably, although the first term refers to the structure and the second one to the function.)\n\nFunctional classification\n\nFunctionally, they can be classified as:\n\nsynarthrosis - permit no movement. \namphiarthrosis - permit little movement. \ndiarthrosis - permit a variety of movements (e.g. flexion, adduction, pronation). Only synovial joints are diarthrodial. \n\nSynarthrosis joints\nSynarthroses are joints with very little (if any) mobility. They can be categorised by how the two bones are joined together:\n\nSyndesmoses are joints where the two bones are joined by one or more ligaments. \nSynchondroses are joints where the two bones are joined by a piece of cartilage. \nSynostoses are the fusion of two bones, to the point that they are practically one bone. In humans, the plates of the cranium, initially separate, fuse together as the child approaches adulthood. Children whose craniums fuse too early may suffer deformities and brain damage, as the skull does not expand properly to accommodate the growing brain - a condition known as craniostenosis. \nAmphiarthroses are slightly moveable joints where the two bone surfaces at the joint - both covered in hyaline cartilage - are joined by strands of fibrocartilage. \n\nAmphiarthrosis joints\nMost amphiarthrosis joints are cartilaginou
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Gliding Joint: This type of joint allows bones to glide past each other. There are gliding joints in your ankles, wrists and spine.
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Sounds like TMJ\n\nYou may not have heard of it, but you use it hundreds of times every day. It is the Temporo-Mandibular Joint (TMJ), the joint where the mandible (the lower jaw) joins the temporal bone of the skull, immediately in front of the ear on each side of your head. A small disc of cartilage separates the bones, much like in the knee joint, so that the mandible may slide easily; each time you chew you move it. But you also move it every time you talk and each time you swallow (every three minutes or so). It is, therefore, one of the most frequently used of all joints of the body and one of the most complex.\n\nYou can locate this joint by putting your finger on the triangular structure in front of your ear. Then move your finger just slightly forward and press firmly while you open your jaw all the way and shut it. The motion you feel is the TMJ. You can also feel the joint motion in your ear canal.\n\nThese maneuvers can cause considerable discomfort to a patient who is having TMJ trouble, and physicians use these maneuvers with patients for diagnosis.
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Synovial joints (or Diarthroses, or diarthroidal joints) are the most common and most moveable type of joint in the body.\n\nWHICH MEANS IT IS A SYNOVIAL JOINT THERE ARE NO "TYPES"
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Temporal Mandibular Joint\n\n I have it too
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The area of the leg behind the knees, (not inside the joint, i.e. the part you can touch from the outside) is called the "popliteal" region or area.
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Check out yogajournal.com and look up pigeon pose. Also, lying on your back, bend your right knee, placing the sole of the right foot on the floor. Then place the your left foot on your right bent knee, (left knee will stick out to the side) hold on to the back of the right thigh and draw your knee in towards your chest. Then do the opposite side. Hope this is clear! I am a yoga teacher and my piriformis is frequently sore, I have found these stretches to help.
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When you put your 'hands on your hips' you are putting your hands on the iliac crests (the top of the each iliac bone - which is also known as the iliacus).