Specialties: We are Sack Chiropractic. We have been in business for 30 years and still going strong. We believe it all happens in the spine. Children as early as the age of 2 weeks have come in and have had great results and also those ages that have had a long busy life. Established in 1980. Sack Chiropractic began in 1980's here in Spearfish, SD. Changed offices one time, and now on Main...Specialties: We are Sack Chiropractic. We have been in business for 30 years and still going strong. We believe it all happens in the spine. Children as early as the age of 2 weeks have come in and have had great results and also those ages that have had a long busy life. Established in 1980. Sack Chiropractic began in 1980's here in Spearfish, SD. Changed offices one time, and now on Main we are here to stay.see more