Thursday, November 25, 2010

Scientifc Words and Definations

Gluteus Maximus- The outermost of the three muscles in each buttock that arises from the sacrum, coccyx, back part of the ilium and adjacent structures, that is inserted into the fascia lata of the thigh and the gluteal tuberosity of the femur, and that acts to extend and laterally rotate the thigh
Flexion- the act of bending a limb.
Sagittal plane- Plane in which forward and backwars movements of the body segments occur
Anterior- Toward the front of the body
Extension motion- The act of straightening a limb.
Quadriceps-  the rectus femoris, vastus lateralis, vastus medialis, and vastus intermedius
Sternal Pectoralis Major, Latissimus Dorsi, Teres Major)- Major adductors muscles of the shoulder
Center of gravity- Point around which a body's weight is equally balanced, no matter how the body is positioned.
Phalanges- any of the bones of the fingers or toes
Posterior- Toward the back of the body
(Pelvic Girdle)-The two hip bones plus the sacrum, which can be rotated forward, backward, and laterally to optimize positioning of the hip joint.
Pronation rotation- Combinded conditions of dorsiflexion, eversion and abduction
Lateral rotation- Away from the midline of the body
Medial rotation- Toward the midline of the body
Transverse plane-Plane which horizontal body and body segment movements occur when the body is in an erect standing position.
Horizontal adduction- Transverse plane movement of the shoulder moving from the side to the front of body.
Force- Push or pull the product of mass and acceleration
Free body Diagram-Sketch that shows a definded system in isolation with all of the force vectors acting on the system
Longitudinal Axis- Imaginary line around which transverse plane rotations occur
(Pectoralis Major) (Anterior Deltoid and Coracobrachialis)- Major horizontal adductors of the shoulder

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