Prolonged immobilization can lead to muscles losing their flexibility and assuming a shortened position. This is referred to as *
O Sharpey's fibrosis.
O a contracture.
О
hypomobility
hypermobility

The loss of muscle flexibility associated with shortened position by prolonged immobilization is known as hypomobility.

Explanation:

The hypomobility of joints and muscles produces in the latter the maintenance in one position and shortening, which leads to loss of normal elasticity of the tendons and difficulty in the development of normal muscle function.

In cases where there is prolonged immobilization, movement is difficult and painful, both in muscles and joints, considerably reducing the range of movement of the affected limb. In these cases physical therapy and rehabilitation is required.