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.
Standard Range of Motion. The standard range of motion for dorsi-flexion is between 15 and 30 degrees. For plantar flexion, the typical range of motion is between 20 and 50 degrees.These ranges vary according to age, gender and type of injury.ange of motion of the ankle, or any joint, is the measurable amount of movement in the joint. Ankle injuries and other types of injury of the lower leg can diminish range of motion.