“Insanity: The Asylum”: Effects on Agility, Power, Speed, Body Composition and Endurance in Female College Students.
Dr. Maureen Dunn
Although the beneficial effects of regular exercise are well known and used to promote exercise videos, the claims made in many advertisements are often not validated. For instance, the creators of “Insanity: The Asylum”, a 30-Day at-home sportbased video, claim their program will facilitate noticeable improvements in fitness, including increased agility, power, speed and endurance, and an overall leaner body composition. The present study was designed to determine whether completion of “Insanity: The Asylum” would result in improved agility, power, speed, endurance and leaner body composition in college age females. Participants were placed in either the control condition (N=9), performing submaximal exercise 4 hours each week, or experimental condition (N=16), participating in the training program 4-5x a wk, 1 disc each day. Before and after the 6-week training program, participants (N=25) were assessed for: 1) peak oxygen consumption (cardiovascular endurance) 2) body fat percentage and body mass, 3) vertical jump height 4) 40m sprint time and 5) agility. Following the 6-week training program, no significant differences were observed between initial and post testing values regarding body mass, body fat percentage, peak oxygen consumption, power or speed (P>.05). Furthermore, no differences were observed between the control and training condition (P>.05). Findings demonstrated significant improvements in agility over time (pre= 5.03±0.11 seconds, post= 4.67±0.08 seconds, P=. 000). Additionally, the training group improved their agility score significantly more than the control group (P= .034) following the training period. The present study has demonstrated that improvements in agility were observed after completion of “Insanity: The Asylum”.
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