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.
Internal rotation: 40 degrees Flex knee and swing lower leg away from midline. External rotation: 45 degrees Flex knee and swing lower leg toward midline. Knee Ankle: (next section) Hip: (previous section) Normal Ranges of Joint Motion: (beginning of chapter) Flexion: 130 degrees Touch calf to hamstring.Extension: 15 degrees Straighten out knee as much as possible.Internal rotation: 10 degrees Twist lower leg toward midline. Ankle Knee: (previous section) Normal Ranges of Joint Motion: (beginning of chapter) Flexion: 45 degrees Bend ankle so toes point up.Extension: 20 degrees Bend ankle so toes point down.lnar deviation: 30-50 degrees Bend wrist so pinky finger nears ulna. Hip Knee: (next section) Wrist: (previous section) Normal Ranges of Joint Motion: (beginning of chapter) Flexion: 110-130 degrees Flex knee and bring thigh close to abdomen.