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COMSAE
Circle of Willis
Characteristics
Anterior Cerebral Artery (ACA) Supplies Motor/Sensory Parts of the Cortex for Lower Extremities
Anterior Communicating Artery (Acomm) Connects ACA to ACA
Internal Carotid Arteries (ICA)
Middle Cerebral Arteries (MCA) Supply Cortex for Upper Limbs and Face
Posterior Communicating Artery (Pcomm) Connects ICA to PCA
"Some Lovers Try Positions That They Can't Handle"
Scaphoid
Lunate
Triquetrum
Pisiform
Trapezium
Trapezoid
Capitate
Hamate
1 min
Pelvic Bones
Ilium
Iliac Crest
ASIS (Anterior Superior Iliac Spine)
AIIS (Anterior Inferior Iliac Spine)
Acetabulum
Pubis
Pubic Symphysis
Obturator Foramen
Ischium
Sacrum
Coccyx
1 min
Anterior Lower Leg Anatomy
Innervation
Deep Peroneal Nerve
General Action
Dorsiflex Foot
Muscles
Tibialis Anterior
Invert Foot
Extensor Digitorum Longus
Extend 4 Toes
Extensor Hallucis Longus
Extend Great Toe
1 min
Anterior Shoulder Dislocation
Axillary Nerve Damage
Axillary Artery
Rotator Cuff Injury
Supraspinatus Tendon
Anterior Glenohumeral Ligament
Anatomic Lesions
Bankart's Lesion
Hill-Sachs Lesion
1 min
Anterior Thigh Muscles
Innervation
Femoral Nerve
Muscles
Iliopsoas
Psoas Innervated by L1-3
Sartorius
Pectineus
Quadriceps Femoris
Vastus Lateralis
Vastus Intermedius
Vastus Medialis
Rectus Femoris
2 mins
Deep Gluteal Muscles
General Action
Lateral Rotation and Abduction
Muscles
Gluteus Minimus
Medially Rotates Leg
Piriformis
Superior Gemellus
Obturator Internus
Inferior Gemellus
Quadratus Femoris
Other Structures
Sacrotuberous Ligament
1 min
Lateral Lower Leg Anatomy
Innervation
Superficial Peroneal Nerve
Actions
Eversion of Foot
Plantarflexion of Foot
Muscles
Fibularis Brevis
Fibularis Longus
55 secs
Medial Thigh Muscles
Action
Adduct the Thigh
Innervation
Obturator Nerve
Muscles
Adductor Magnus
Tibial Nerve
Adductor Longus
Adductor Brevis
Gracilis
Obturator Externus
Laterally Rotates Thigh
1 min
Muscles of Mastication
Temporalis
Masseter
Medial Pterygoid
Lateral Pterygoid
Innervation
Mandibular Branch (V3) of Trigeminal Nerve
Embryology
1st Branchial Arch
1 min
Posterior Lower Leg Anatomy
Superficial Compartment
Calcaneal Tendon
Superficial Muscles
Gastrocnemius
Soleus
Plantaris
Deep compartment
Deep Muscles
Popliteus
Tibialis Posterior
Flexor Digitorum Longus
Flexor Hallucis Longus
Innervation
Tibial Nerve
2 mins
Posterior Thigh Muscles
Innervation
Sciatic Nerve
Muscles
Biceps Femoris
Long and Short Head
Flex Knee
Extend Hip
Laterally Rotate Hip
Semitendinosus and Semimembranosus
Flex Knee
Extend Thigh
Medially Rotate Thigh and Leg
1 min
Rotator Cuff
External Rotation
Teres Minor
Infraspinatus
Internal Rotation
Subscapularis
Abduction
Supraspinatus
1 min
Coronary Arteries
Aortic Root
Right Coronary Artery (RCA)
Right (Acute) Marginal Artery
Posterior Descending Artery (PDA)
Left Coronary Artery (LCA)
Left Anterior Descending (LAD) Artery
Circumflex Artery
Left Marginal Artery
1 min
Dermatomes - Cervical
C2 - Posterior Cap Distribution
C3 - High Turtleneck
C4 - Low Collar Shirt
C5 - Anterolateral Shoulder
C6 - Thumb
C7 - Middle Finger
C8 - Pinky Finger
1 min
Dermatomes - Lumbosacral
L2 - Medial Thigh
L3 - Medial Knee
L4 - Kneecap, Medial Ankle, and Big Toe
L5 - Dorsum of Foot
S1 - Lateral Foot, Posteriolateral Thigh
S 2, 3, 4, 5 - Perianal and Genitals
2 mins
Dermatomes - Thoracic
Characteristics
T1 - Medial Arm
T4 - Nipple
T7 - Xiphoid
T10 - Belly Button
T12 - Pubis
58 secs
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