To find an experimentâs dependent variable, you only need ask what the hypothesis is about. For example, an experiment testing the hypothesis âfertilizer A will increase the growth rate of sunflowersâ is primarily interested in the effect on different growth rates, making âgrowth rateâ the dependent variable.
Re: Piriformis causing foot and calf pain? YES!!!!!!!! When I started reading your post yesterday, piriformis was my first thought - not a slipped disc or anything like that. Beleive it or not, injuring or basically aggravating the piriformis can affect you in so many ways.
Causes of Piriformis Syndrome. The exact causes of piriformis syndrome are unknown. Suspected causes include: 1  Muscle spasm in the piriformis muscle, either because of irritation in the piriformis muscle itself, or irritation of a nearby structure such as the sacroiliac joint or hip.2  Tightening of the muscle, in response to injury or spasm. 3  Swelling of the piriformis muscle, due to injury or spasm. Muscle spasm in the piriformis muscle, either because of irritation in the piriformis muscle itself, or irritation of a nearby structure such as the sacroiliac joint or hip. 2  Tightening of the muscle, in response to injury or spasm. 3  Swelling of the piriformis muscle, due to injury or spasm.