Category: S
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Shallow-water exercise
Exercises typically performed in a vertical position in a water depth of waist to chest level. Lower impact than land-based training, but joint loading does occur.
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Service (business) interruption insurance
Insurance that covers indirect losses that occur when a direct loss (that results from a covered peril, such as a fire) forces a temporary interruption of business.
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Scoliosis
Abnormal S-shaped curve of the spine. Scoliosis refers to a lateral bending of the spine. The shoulders and pelvis will appear uneven and the rib cage might be twisted. Abnormal lateral twisting or rotating of the spine. A lateral curvature of the vertebral column lordosis; kyphosis. A condition in which the spine curves sideways. Scoliosis…
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Saturated
A triglyceride that has hydrogen attached to every available bond on the carbons. Holding all that can be absorbed, received, or combined, as a solution in which no more of a substance can be dissolved. This term is applied to hydrocarbons in which the maximum number of hydrogen atoms is present and there are no…
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Sarcomere
The basic unit of a muscle’s cross-striated myofibril. The functional unit (contractile unit) of muscle fibers. Contractile segment of skeletal muscle tissue. One of the basic contractile units of which striated muscle fibers are composed. The unit of contraction of the myofibrils of a muscle cell, made of protein filaments arranged between two Z disks.…
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Saphenous nerve
The largest and longest branch of the femoral nerve and supplies the skin on the inside of the leg. Branch of the femoral nerve, supplying the inner aspect of the leg. A large branch of the femoral nerve that arises in the upper thigh, travels down on the inside of the leg, and supplies the…
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Saddle joint
Each joint surface has a convexity at right angles to a concave surface. All movements except rotation are possible at this joint. Example: first carpometacarpal joint (thumb). A synovial joint where one element is concave and the other convex, like the joint between the thumb and the wrist. Articular surface where double motion is due…
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Sacrum
The bone below the lumbar area of the spine that is made up of five fused sacral vertebrae. The base of the spine formed by the fusion of fine vertebrae and located above the coccyx. The large, triangular bone between the two hip bones at the back of the pelvis, formed by the fusion of…
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Sacral plexus
One of the four primary nerve branches along the spine; services the gluteal muscles, muscles forming the internal surface of the pelvis, and muscles that run between the femur and pelvis to stabilize the hip joint. A group of nerves inside the pelvis near the sacrum which lead to nerves in the buttocks, back of…
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Strap-shaped, straplike
As in a long, narrow, thick leaf. Long, flat and narrow.