TY  - BOOK
AU  - Ellgen,Pamela
TI  - Psoas strength and flexibility: core workouts to increase mobility, reduce injuries and end back pain 
SN  - 9781612434322
AV  - GV508 .E55 2015
PY  - 2015///]
CY  - Berklely, CA
PB  - Ulysses Press
KW  - Back exercises
KW  - Abdominal exercises
KW  - Stretching exercises
KW  - fast
N1  - Includes bibliographical references (pages 123-128) and index
ER  -