Author: Glossary

  • Shoulder impingement

    Shoulder impingement syndrome is caused by compression of the tendons of the rotator cuff between a part of the shoulder blade and the head of the humerus.  

  • Short bone

    A short bone is basically cube shaped and is about as wide as it is long. Examples of short bones are the tarsals and carpals.  

  • Shin splints (medial tibial stress syndrome)

    Pain and irritation in the shin region of the lower leg. Delayed pain on the front or sides of lower legs, caused by inflammation of the fascia connecting to the leg bones or muscle tears. Pain along the tibia or shin bone, the large bone in the front of the lower leg. This pain can…

  • 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.  

  • 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.  

  • 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…

  • 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…

  • 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.…

  • 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…

  • 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…