Final answer:
The religious ceremony described in the question is the Sun Dance, primarily performed by males among Native American groups. Movements and singing in the ceremony hold cultural and spiritual significance.
Step-by-step explanation:
The religious ceremony described in the question is the Sun Dance, which is celebrated by many Native American groups. It is primarily performed by males. The ceremony involves specific movements, such as dancing around or hanging from a central pole, and singing Native ceremonial songs. An example of an event related to this ceremony is the annual powwows and tribal dances that many tribes and organizations host. The specific movements and singing in the Sun Dance ceremony hold significant cultural and spiritual meaning. The dance and bloodletting or self-torture symbolize the individual's sacrifice and connection to the supernatural, while the scars that the dancers carry are seen as marks of honor. The singing and drumming create a sacred atmosphere and serve as a form of communication with the spiritual realm.