The Vital Psoas Muscle: Connecting Physical, Emotional, and Spiritual Well-Being, Jo Ann Staugaard-Jones, North Atlantic Books 2012

Psoas Strength and Flexibility: Core Workouts to Increase Mobility, Reduce Injuries and End Back Pain, Pamela Ellgen Ulysses Press, (2015)

Body Encyclopaedia: A Guide to the Psychological Functions of the Muscular System, Lisbeth Marcher and Sonja Fich, North Atlantic Books (2010)

Iliopsoas – The Flee/Fight Muscle for Survival, Liz Koch, (2005)

The Psoas Is – Liz Koch, (2007)

The Psoas Book, Liz Koch, Guinea Pig Publications (2012)

6 Muscles You Can’t Ignore, Ted Spiker, Men’s Health (2015)

The Psoas Muscles, Psoas Stretches and Abdominal Exercises for Back Pain, Lawrence Gold (2010) Somatics on the Web,

Passive Versus Active Stretching of Hip Flexor Muscles in Subjects With Limited Hip Extension, Michael V Winters et al, Journal of the American Physical Therapy Association (2004)

Tight Psoas Muscles? Sit too much?, Lawrence Gold, Lawrence Gold Somatics
Effects of hip flexor training on sprint, shuttle run, and vertical jump performance, RS Deane et al, Journal of Strength Conditioning Research(2005)

Gluteal Muscles, Brian Mac,
Weight Loss and Adrenal Stress, Marcelle Pick,
Psoas Muscle In Tai Chi, (2012)

Attention, Yogis: What Is The Psoas and Why Should We Care?, Hope Zvara, (2012)

The ‘Muscle of the Soul’ may be Triggering your Fear and Anxiety, Brett Wilbanks, Waking Times (2015)

Need Speed? Don’t Forget The Psoas!, Dr Evan Osar,
Runner’s Guide To The Psoas, Jill Hudgins, Runners World (2011)

Bodybuilding Dragonflies: Costs and Benefits of Maximizing Flight Muscle
James H. Marden
Physiological Zoology 1989 62:2, 505-521

Recommendations for natural bodybuilding contest preparation: resistance and cardiovascular training
Helms, E.R.; Fitschen, P.J.; Aragon, Alan A.; Cronin, J.; Schoenfeld, Brad Jon (2015)

Ian, Marcia. “The Primitive Subject of Female Bodybuilding: Transgression and Other Postmodern Myths.” differences: A Journal of Feminist Cultural Studies, vol. 12 no. 3, 2001, p. 69-100. Project MUSE

Bodydysmorphic Disorder And Bodybuilding: Influence Of A Workout On Body Image Perception And – Satisfaction
Philosophischen Fakultät
Westfälischen Wilhelms-Universität
Vorgelegt von Inga Petersen aus Lüdenscheid 2005

Phoenix, C., & Smith, B. (2011). Telling a (good?) counterstory of aging: natural bodybuilding meets the narrative of decline. The Journals of Gerontology, Series B: Psychological Sciences and Social Sciences, 66(5), 628–639, doi:10.1093/geronb/gbr077. Advance Access published on July 28, 2011.