Abdominals Flashcards
What muscles make up the abdominals?
Transverse abdominus, internal obliques, external oblique and rectus abdominas
Origin of the transverse abdominus?
Ribs
Pelvis
Fascia
Insertion of the transverse abdominus?
Linea abla and pelvis
Action of the transverse abdominus?
Compression of the abdomen
Origin of internal obliques?
Pelvis
Thoraco-lumbar fascia
Insertion of the internal obliques?
Ribs, pelvis and linea alba
Action of the internal obliques?
Compression of the spine (abdomen)
Lateral flexion
Rotation and flexion of spine
Origin of external obliques?
Ribs (5th-12th)
Insertion of the external obliques?
Pelvis and linea alba
pubic bone, iliac spine
Action of the external obliques?
Compression of abdomen
Lateral flexion
Rotation
Origin of the rectus abdominus?
Pelvis (pubic bone)
Insertion of the rectus abdominus?
Sternum and ribs
Action of the rectus abdominus?
Flexion of spine
Compression of abdomen