Test #8 - Class 14: Muscles 41-47; Class #15: Muscles 48-54 Flashcards
How many muscles of the Pelvic Bowl?
2 muscles
What are the 2 muscles of the Pelvic Bowl:
- Iliacus; and 2. Psoas Major
Pelvic Bowl: Iliacus*
GL: Pelvic Bowl, Deep
O: Iliac crest and Iliac fossa of the Ilium
I: Lesser trochanter of the Femur via the tendon of Psoas Major
Pelvic Bowl: Psoas Major*
GL: Abdominal/Pelvic Cavity, Deep
O: Bodies, discs and transverse processes of the lumbar vertebrae
I: Lesser trochanter of the Femur
What is important about the insertion of the Pelvic Bowl muscles?
They share a common tendon insertion and together commonly known as Iliopsoas.
How many muscle compartments of the leg?
3 compartments
What are the 3 muscle compartments of the leg?
- Anterior; 2. Lateral; and 3. Posterior
How many muscle layers in the Anterior Compartment of the leg?
2 layers
What are the 2 muscle layers of the Anterior Compartment of the leg?
- Deep; and 2. Superficial
How many muscles in the Deep layer of the Anterior Compartment of the leg?
1 muscle
What is the 1 deep layer muscle of the Anterior Compartment of the leg?
- Extensor Hallucis Longus
Deep layer of the Anterior Compartment of the leg: Extensor Hallucis Longus
GL: ANTERIOR, LEG, DEEP
O: Fibula and Interosseous membrane (middle and anterior surfaces)
I: Distal Phalanx of the Hallux
How many muscles in the Superficial layer of the Anterior Compartment of the leg?
2 muscles
What are the 2 Superficial layer muscles of the Ant. Comp. of the leg?
- Extensor Digitorum Longus; and 2. Tibialis Anterior
Superficial layer muscles of the Ant. Comp. of the leg: Extensor Digitorum Longus*
GL: Anterior, Leg, Superficial
O: Lateral condyle of the Tibia, Fibula and Interosseous membrane
I: Middle and distal Phalanges of the lateral 4 digits (toes)
Superficial layer muscles of the Ant. Comp. of the leg: Tibialis Anterior*
GL: Anterior, Leg, Superficial
O: Lateral condyle and proximal 1/2 of the Tibia
I: Medial Cuneiform and base of the 1st metatarsal
How many total muscles in the Anterior Compartment of the leg?
3 muscles
What are the 3 muscles that make up the Ant. Comp. of the leg (order of lateral to medial tendons)?
- Extensor Digitorum Longus; 2. Extensor Hallucis Longus; and 3. Tibialis Anterior
How many muscle layers in the Lateral Compartment of the leg?
2 layers
What are the 2 muscle layers of the Lateral Compartment of the leg?
- Deep; and 2. Superficial
How many muscles in the Deep layer of the Lateral Compartment of the leg?
1 muscle
What is the 1 deep layer muscle of the Lateral Compartment of the leg?
- Fibularis Brevis (previously known as Peroneus Brevis)
Deep layer of the Lateral Compartment of the leg: Fibularis (Peroneus) Brevis*
GL: Lateral, Leg, Deep
O: Distal 2/3 of the Fibula
I: Base of the 5th metatarsal
How many muscles in the Superficial layer of the Lateral Compartment of the leg?
1 muscle
What is the 1 superficial layer muscle of the Lateral Compartment of the leg?
- Fibularis Longus (previously known as Peroneus Longus)
Superficial layer of the Lateral Compartment of the leg: Fibularis (Peroneus) Longus*
GL: Lateral, Leg, Superficial
O: Head and proximal 2/3 of the Fibula
I: Base of the 1st metatarsal and Medial cuneiform
How many muscle layers in the Posterior Compartment of the leg?
3 layers
What are the 3 muscle layers of the Lateral Compartment of the leg?
- Deep; 2. Intermediate; and 3. Superficial
How many muscles in the Deep layer of the Posterior Compartment of the leg?
4 muscles
What are the 4 deep layer muscle of the Posterior Compartment of the leg?
- Tibialis Posterior; 2. Flexor Hallucis Longus; 3. Flexor Digitorum Longus; and 4. Popliteus