Effect of hip position and breathing pattern on abdominal muscle activation during curl-up variations
Journal of Exercise Rehabilitation. 2018;14(3):445-450 
Effect of Breathing Pattern and Posture on Abdominal Muscle Activation and Intra-abdominal Pressure
. 2022;
Real time transabdominal ultrasound to assess bladder base position during pelvic floor contraction and abdominal curl up in exercising women
Physiotherapy. 2015;101:e1517
The effects of different sit- and curl-up positions on activation of abdominal and hip flexor musculature
Applied Physiology, Nutrition, and Metabolism. 2008;33(5):888-895
The Effect on the Hip Muscle Activation of the Fall Direction and Knee Position During a Fall
Physical Therapy Korea. 2021;28(1):84-91
Abdominal Breathing Effect on Postural Stability and the Respiratory Muscles’ Activation during Body Stances Used in Fitness Modalities
Biomechanics. 2022;2(3):478-493
Abdominal and hip flexor muscle activation during various training exercises
European Journal of Applied Physiology. 1997;75(2):115-123
Effect of breathing pattern during inhalation challenge on the shape and position of the dose-response curve
Lung. 1989;167(1):95-106
The variations in intra-abdominal pressure and the activity of the abdominal muscles during breathing; a study in man
The Journal of Physiology. 1953;122(2):282-290
The Pattern of Respiratory Muscle Recruitment during Pursed-Lip Breathing
Chest. 1992;101(1):75-78