Hot water bottle relieves pain of abdominal spasm by
Stimulation of touch receptors
Stimulation of cholinergic fibers
Inhibition of cold receptors
Inhibitionof heat receptors
The gate control theory of pain asses that non-painful input closes the nerve "gates" to painful input, which prevents pain sensation from traveling to the central nervous system. Gate Control Theory of Pain describes how non-painful sensations can override and reduce painful sensations Ref: guyton and hall textbook of medical physiology 12 edition page number:559,560,561
Nervous system