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The initial leader of the Mongol Empire was?

What is the name of the Vietnamese hamlet where there was a well-known massacre?

The actions the colonists waged against British forces before and during the American Revolution were what type of terrorism?

Where are subfascial bursae typically found in the body, and what structures do they lie between?

What is the molecule found only in muscle tissue and provides a rapid source of high-energy ATP for muscle contraction?

What is the term for the movement that involves bending or decreasing the angle between bones at a joint? 

What is the form of rheumatism that does not affect the joints? 

What are muscles called that bend a limb at a joint?

What neurotransmitter is released at the neuromuscular junction when a nerve impulse reaches the axon terminal?

A total of 146 participants with low back pain were enrolled in a study. Participants were divided into two groups: the back-school group received exercise, physical treatment modalities and a back school program; and the control group received exercise and physical therapy modalities. They were evaluated on the numeric pain rating scale (NPRS, scoring 0-10; 0 representing “no pain” and 10 “worst pain ever”) and the difference scores of post-treatment minus pre-treatment were compared between groups. Which statistics did the researchers use?