PSOAS MAJOR & QUADRATUS LUMBORUM – EXERCISES
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MRI STUDY
PSOAS MAJOR, QUADRATUS LUMBORUM
RECTUS ABDOMINIS, EXTERNAL OBLIQUE
– Bridges/Planks
Evaluation of Psoas Major and Quadratus Lumborum Recruitment Using Imaging Before and After 5 Trunk Exercises – Imai – 2017
Procedure
– Diffusion‐weighted imaging is a noninvasive MRI – magnetic resonance imaging technique that can be used to assess the recruitment of muscles
Exercises
(A) front bridge hand‐knee: bird-dog
(B) front bridge elbow (forearm)‐knee: bird-dog variation
(C) front bridge elbow (forearm)‐toes: bird-dog variation
(D) side bridge
(E) knee raise: edge of table; knees flexed 90º at start of lift
Results for Right Side
Psoas Major (PM): bird dog elbow-toes 14. knee raise 12 . bird dog elbow‐knee 8 . side bridge 5 . bird dog hand-knee 1
Quadratus Lumborum (QL): side bridge 15
Rectus Abdominis: bird dog elbow-toes 10 . knee raise 9 . side bridge 8 . bird dog elbow-knee 7 . bird dog hand-knee 3
Obliques – Lateral Abdominals: bird dog elbow-toes 12 . knee raise 10 . side bridge 10 . bird dog elbow-knee 7 . bird dog hand-knee 1
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