Muscle Movements and Attatchments Flashcards
What movements do Quadratus Lumborum contribute to?
- Extends vertebral column
- Laterally flexes vertebral column
- Fixes 12th rib during inspiration
What movements do Iliacus contribute to?
- Flexes Thigh at Hip
- Flexes Vertebral Column
- Stabilizes Hip Joint
What movements do Psoas Major contribute to?
- Flexes Thigh at Hip
- Flexes Vertebral Column
- Stabilizes Hip Joint
What muscles contribute to the perineal body?
- Bulbospongiosus
- Superficial / Deep Transverse Perineal Muscles
- External Anal Sphincter
What is/are the proximal attatchment(s) of Psoas Major?
Lumbar Vertebrae
- Bodies (Lateral Aspect)
- Intervertebral Discs (Lateral Aspect)
- Transverse Processes (Anterior Aspect)
What is/are the proximal attatchment(s) of Iliacus?
- Iliac Fossa
What is/are the distal attatchment(s) of Iliacus?
- Lesser Trochanter of Femur
What is/are the distal attatchment(s) of Psoas Major?
- Lesser Trochanter of Femur
What is/are the distal attatchment(s) of Quadratus Lumborum?
- Iliac Crest
What is/are the proximal attatchment(s) of Quadratus Lumborum?
- 12th Rib
- Lumbar Vertebrae (Transverse Processes)
Where does Obturator Internus Exits Pelvic Cavity?
- Lesser Sciatic Foramen
Where does Piriformis Exits Pelvic Cavity?
- Greater Sciatic Foramen
What is the insertion of Obturator Internus?
- Trochanteric Fossa
or - Medial Aspect of Greater Trochanter
What is the insertion of Piriformis?
- Intertrochanteric Crest
The Levator Ani group is composed of what muscles?
- Puborectalis Muscle
- Pubococcygeus Muscle
- Iliococcygeus Muscle
The Levator Ani and Coccygeus Muscle share which common proximal attatchments?
- Pubic Bone
- Tendinous Arch of Fascia Surrounding Obturator Internus
- Ischial Spine
