In the Igbo culture, masks are used in almost all of the ceremonies and are essential to the understanding of the holiday. Also, both cultures have holidays that celebrate ancestors and family. Such as the american Fathers day, and the Igbo celebration of ancestors.
Bending forward or rounding your lower back is called flexion. Flexion in the lumbar spine is primarily limited by compression of the intervertebral disks and tension in the ligaments that run along the back of the spine. The normal range of movement of lumbar flexion is 40 to 50 degrees.he range of motion, or how far your spine can move, is limited by the disks between the vertebrae, the ligaments that tie the vertebrae together and the orientation of the facet joints on the back part of the vertebrae.
Moving the patient's knee through a short arc of motion helps identify the joint lines. Range of motion should be assessed by extending and flexing the knee as far as possible (normal range of motion: extension, zero degrees; flexion, 135 degrees).oving the patient's knee through a short arc of motion helps identify the joint lines. Range of motion should be assessed by extending and flexing the knee as far as possible (normal range of motion: extension, zero degrees; flexion, 135 degrees).