<bold>Purpose.</bold> The objective of the study was to determine the effects of dynamic Surya Namaskar (sun salutations) on the differential chest circumference of selected physical education students at Banaras Hindu University, Varanasi. <bold>Basic procedures.</bold> The subjects for this study were selected from the Department of Physical Education at Banaras Hindu University. A total of 20 male subjects were selected and used as one practicing group. Dynamic Surya Namaskar was considered the independent variable and differential chest circumference was considered the dependent variable. The test was for differential chest circumference. The Repeated Measures Design was used for this study. Only one group of 20 participants was created. Tests were administered at regular intervals of two weeks. The tests started four weeks prior to the dynamic Surya Namaskar (DSN) treatment and took place every two weeks, three times. Thereafter, tests took place every two weeks during the treatment and after the completion of the treatment, they were continued for the following four-week period. <bold>Main findings.</bold> To determine the effect of dynamic Surya Namaskar on physiological and anthropometric variables of selected physical education students at Banaras Hindu University, Varanasi, one way ANOVA was used at .05 level of significance. <bold>Conclusions.</bold> In relation to differential chest circumference, a significant (p < 0.05) effect of dynamic Surya Namaskar was found.
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