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175 Cards in this Set
- Front
- Back
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What muscles make up the anterior compartment of the thigh?
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1. Rectus femoris
2. Vastus lateralis 3. Vastus medialis 4. Vastus intermedius 5. Sartorius 6. Iliopsoas = Iliacus + psoas |
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What nerve supplies the anterior compartment of the thigh?
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Femoral nerve
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What artery supplies the anterior compartment of the thigh?
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Femoral artery
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What is the action of Rectus femoris?
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Extends leg, flexes thigh
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What is the action of Vastus lateralis?
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Extend the leg
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What is the action of Vastus medialis?
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Extend the leg
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What is the action of Vastus intermedius?
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Extend the leg
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What is the action of Sartorius?
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Hip & knee flexion, external rotation of thigh
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What is the action of iliopsoas?
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Hip flexion
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What is the origin/insertion of Rectus femoris?
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ASIS / patella
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What is the origin/insertion of Vastus lateralis?
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Greater trochanter / patella
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What is the origin/insertion of Vastus medialis?
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Linea aspera / patella
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What is the origin/insertion of Vastus intermedius?
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Femur / patella
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What is the origin / insertion of Sartorius?
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ASIS / tibia
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This is the longest muscle in the body. aka "Tailor's muscle"
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Sartorius
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Which two muscles in the anterior compartment of the thigh cross two joints?
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Rectus femoris and Sartorius
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What muscles are found in the medial compartment of the thigh?
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1. Adductors
2. Gracilis 3. Pectineus |
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What is the nerve supply for the Adductors?
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Obturator n.
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What is the nerve supply for Gracilis?
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Obturator n.
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What is the nerve supply for Pectineus?
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Femoral & some Obturator
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What is the blood supply for the muscles of the medial compartment of the thigh (Adductors, Gracilis, Pectineus)?
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Obturator artery
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What is the action of the Adductors?
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Adduction (duh!)
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What is the action of Gracilis?
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Adducts thigh, flexes leg
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What is the action of Pectineus?
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Adducts, flexes, laterally rotates thigh
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What is the origin/insertion of the Adductors?
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Ramus pubis / linea aspera
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What is the origin/insertion of Gracilis?
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Pubic symphysis / tibia
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What is the origin/insertion of Pectineus?
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Pubis / linea aspera
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What muscles make up the Adductors?
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Adductor magnus, Adductor longus, Adductor brevis
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What muscle overlies Adductor magnus and Adductor longus?
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Pectineus
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What muscles make up the quadriceps?
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Rectus femoris, Vastus lateralis, Vastus medialis and Vastus intermedius
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What muscles make up the posterior compartment of the thigh?
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1. Biceps femoris (2 bellies)
2. Semitendinosus 3. Semimembranosus |
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What nerve supplies the posterior compartment of the thigh?
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Tibial n.
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What is the blood supply for the posterior compartment of the thigh?
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Deep femoral
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What is the action of the Biceps femoris?
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Flex and laterally rotate knees, extends the thigh
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What is the action of the Semitendinosus?
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Flex and medially rotates the knee, extends thigh
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What is the action of Semimembranosus?
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Flex and medially rotates knee, extends thigh
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What is the origin/insertion of Biceps femoris (2 heads)?
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Long: Ischial tuberosity
Short: Linea aspera Insertion for both: Fibula |
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What is the origin/insertion of Semitendinosus?
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Ischial tuberosity / tibia
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What is the origin/insertion of Semimembranosus?
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Ischial tuberosity / tibia
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What pulse can be taken in the posterior compartment of the thigh?
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Popliteal pulse
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What muscles make up the hamstrings?
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1. Biceps femoris (2 bellies)
2. Semitendinosus 3. Semimembranosus |
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What muscles make up the lateral compartment of the thigh?
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1. TFL
2. Gluteus medius, minimus 3. Gluteus maximus |
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What is the nerve supply for TFL?
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Superior gluteal n.
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What is the nerve supply for Gluteus medius, minimus?
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Superior gluteal n.
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What is the nerve supply for Gluteus maximus?
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Inferior gluteal
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What is the blood supply for the lateral compartment of the thigh (TFL, Gluteus medius, minimus, Gluteus maximus)?
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Inferior gluteal
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What is the action of the TFL (tensor fascia latae)?
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Abducts, flexes and medial rotates the hip; extends knee
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What is the action of Gluteus medius, minimus?
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Abducts and medially rotates hip
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What is the action of Gluteus maximus?
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Externally and laterally rotates hip
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What is the origin/insertion of TFL?
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Ilium / iliotibial tract
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What is the origin/insertion of Gluteus medius, minimus?
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Ilium / Greater trochanter
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What is the origin / insertion of Gluteus maximus?
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Sacrum, coccyx, post. gluteal line, sacrospinalis tendon, sacrotuberous ligament / Gluteal tuberosity of femur
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What muscles make up the rotator cuff compartment of the shoulder girdle?
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"SITS"
1. Supraspinatus 2. Infraspinatus 3. Teres minor 4. Subscapularis |
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What is the blood supply of Supraspinatus and Infraspinatus?
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Suprascapular
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What is the blood supply of Teres minor?
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Scapular circumflex
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What is the blood supply of Subscapularis?
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Lateral thoracic a., subscapular a.
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What is the nerve supply of Supraspinatus?
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Suprascapular n.
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What is the nerve supply of Infraspinatus?
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Suprascapular n.
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What is the nerve supply of Teres minor?
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Axillary n.
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What is the nerve supply of Subscapularis?
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Subscapular n.
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What is the action of Supraspinatus?
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Abduction
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What is the action of Infraspinatus?
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External (lateral) rotation
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What is the action of Teres minor?
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External (lateral) rotation
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What is the action of Subscapularis?
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Internal (medial) rotation
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What is the origin/insertion of Supraspinatus?
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Fossa of scapula / greater tubercle of humerus
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What is the origin/insertion of Infraspinatus?
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Fossa of scapula / greater tubercle of humerus
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What is the origin /insertion of Teres minor?
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Lateral border dorsal scapula / greater tubercle of humerus
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What is the origin / insertion of Subscapularis?
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Subscapular fossa of scapula / lesser tubercle of humerus
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What is the nerve supply for Latissimus dorsi?
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Thoracodorsal n.
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What is the nerve supply for Trapezius?
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Spinal accessory n.
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What is the nerve supply for Rhomboids?
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Dorsal scapular n.
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What is the nerve supply for Serratus anterior?
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Long thoracic nerve of Bell
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What is the nerve supply for Deltoid?
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Axillary n.
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What is the nerve supply for Teres major?
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Subscapular n.
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What is the nerve supply for Pectoralis minor?
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Medial pectoral n.
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What muscles does the Descending scapular artery supply blood to (name 7) ?
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1. Latissimus dorsi
2. Trapezius 3. Rhomboid 4. Serratus anterior 5. Deltoid 6. Teres major 7. Pectoralis minor |
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What is the action of Latissimus dorsi?
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Extension and internal rotation of the arm
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What is the action of Trapezius?
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Adduct scapula
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What is the action of Rhomboid?
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Scapular retraction
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What is the action of Serratus anterior?
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Adheres scapula to the chest wall
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What is the action of Deltoid?
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Abduction of the arm
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What is the action of Teres major?
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Extension, medial rotation, adducts arm
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What is the action of Pectoralis minor?
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Draws scapula forward
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What is the origin / insertion of Rhomboids?
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Spinous process of C7 and T1 (minor), and spinous process of T2-T5 (major) / scapula
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What is the origin / insertion of Deltoid?
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Trapezius, clavicle, acromion, spine of scapula / deltoid tuberosity of humerus
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What muscles make up the anterior compartment of the arm?
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1. Biceps brachii (2 bellies)
2. Brachialis 3. Brachioradialis 4. Coracobrachialis 5. Pronator teres |
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What nerve supplied Biceps brachii, Brachialis and Coracobrachialis?
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Musculocutaneous n.
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What nerve supplies Brachioradialis?
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Radial n.
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What nerve supplies Pronator teres?
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Median n.
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What is the blood supply for Biceps brachii, , Brachialis, Brachioradialis and Coracobrachialis?
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Brachial artery
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What is the blood supply for Pronator teres?
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Ulnar artery
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What is the action of Biceps brachii (2 bellies)?
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Flexes elbow & supinates forearm
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What is the action of Brachialis and Brachioradialis?
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Flexes elbow
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What is the action of Coracobrachialis?
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Flexes and adducts the arm
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What is the action of the Pronator teres?
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Pronates the forearm
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What is the origin / insertion of biceps brachii (2 heads)?
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Short head: coracoid process
Long head: Supraglenoid tubercle of scapula, in capsule Insertion: Radial tuberosity |
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What is the origin / insertion of Brachialis?
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Humerus / tuberosity & coronoid process of ulna
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What is the origin / insertion of Pronator teres?
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Humeral & ulnar head / radius
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What muscles make up the posterior compartment of the arm?
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Triceps and Anconeus
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What nerve innervates Triceps and Anconeus?
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Radial n.
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What is the blood supply for Triceps and Anconeus?
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Brachial artery
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What is the action of Triceps and Anconeus?
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Extension
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What is the insertion of Triceps and Anconeus?
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Olecranon process of the ulna
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What muscles make up the anterior compartment of the forearm (name 7)?
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1. Biceps brachii
2. Flexor radialis 3. Flexor carpi ulnaris (2 bellies) 4. Flexor digitorum profundus 5. Pronator teres 6. Flexor pollicis longus 7. Palmaris longus |
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What is the major blood supplier of the anterior compartment of the forearm?
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Ulnar artery
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What nerve supplies the Biceps brachii?
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Musculocutaneous n.
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What nerve supplies the Flexor radialis, Pronator teres, Flexor pollicis longus, and Palmaris longus?
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Median n.
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What nerve supplies Flexor carpi ulnaris?
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Ulnar n.
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What nerve supplies Flexor digitorum profundus?
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1/2 Median n. and 1/2 Ulnar n.
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What is the action of Biceps brachii?
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Flexes elbow and suppinates forearm
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What is the action of Flexor radialis?
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Flex and abducts wrist
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What is the action of Flexor carpi ulnaris?
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Flexes and adducts wrist
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What is the action of Flexor digitorum profundus?
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Flexes DIP, PIP and MCP
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What is the action of Pronator teres?
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Pronate forearm and flex elbow
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What is the action of Flexor pollicis longus?
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Flexes distal thumb
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What is the action of Palmaris longus?
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Wrist flexor
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What is the insertion of Biceps brachii?
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Radius tuberosity
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What is the origin of Flexor radialis?
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Medial epicondyle of the humerus
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What is the origin / insertion of Flexor carpi ulnaris?
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Origin: Medial epicondyle of the humerus
Insertion: Humeral head attaches to medial epicondyle of humerus, other head attaches to Ulna |
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What is the insertion of Flexor digitorum profundus?
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Palmar surface distal 2-5 phalanges
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What is the origin of Pronator teres?
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Medial epicondyle of the humerus, coronoid of Ulna
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What is the origin/insertion of Flexor pollicis longus?
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Medial epicondyle of the humerus / Palmar aponeurosis
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What muscle is in the floor of the pelvic cavity?
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Levator ani
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What nerve innervates Levator ani?
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Pudendal plexus
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What is the blood supply for Levator ani?
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Internal pudendal and inferior rectal arteries
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What is the action of Levator ani?
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Constricts rectum and vagina cavity
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What is the origin / insertion of Levator ani?
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Pubis, ischial spine / coccyx
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What muscles make up the pelvic girdle?
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Levator ani, Coccygeus, Transverse perinei profundus, Sphincter ani externus
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What nerve innervates Coccygeus?
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Pudendal plexus
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What is the blood supply for Coccygeus?
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Internal pudendal, inferior rectal & inferior gluteal
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What is the action of Coccygeus?
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Pulls forward and supports coccyx
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What is the origin/insertion of Coccygeus?
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Ischial spine / coccyx
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What is the nerve supplying Transverse perinei profundus?
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Branch of Pudendal
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What is the blood supply for Transverse perinei profundus?
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Internal pudendal
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What is the action of Transverse perinei profundus?
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In females: Assists perineal body, helps sphincter action & supports vagina
In males: Assists perineal body, helps sphincter action, supports prostate |
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What is the origin / insertion of Transverse perinei profundus?
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Ischial rami / medial tendinous raphe` (male) & sides of vagina (female)
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What nerves supply Sphincter ani externus?
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Branches of Pudendal
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What is the blood supply of Spincter ani externus?
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Inferior rectal & transverse perineal
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What is the action of Sphincter ani externus?
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Contracts orifice (keeps feces in)
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What is the origin / insertion of Sphincter ani externus?
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Anococcygeal raphe` / surround anal canal
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What is the shortest muscle in the body?
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Stapedius
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What muscles make up the posterior compartment of the forearm?
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1. Extensor carpi radialis longus
2. Brevis 3. Extensor carpi ulnaris |
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What nerve supplies Extensor carpi radialis longus and brevis?
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Radial n.
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What nerve supplies Extensor carpi ulnaris?
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Posterior interosseous nerve
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What is the action of Extensor carpi radialis longus & brevis?
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Extends and abducts wrist
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What is the action of Extensor carpi ulnaris?
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Extends and adducts wrist
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What is the origin of Extensor carpi radialis longus & brevis?
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lateral epicondyle of the humerus
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What is the insertion of Extensor carpia radialis longus?
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Base of 2nd metacarpal
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What is the insertion of extensor carpi radialis brevis?
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Base of the 3rd metacarpal
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What is the insertion of Extensor carpi ulnaris?
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Base of the 5th metacarpal
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What muscles make up the anterior compartment of the leg (name 3)?
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1. Tibialis anterior
2. Extensor digitorum longus 3. Extensor hallucis longus |
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What nerve supplies the muscles of the anterior compartment of the leg (Tibialis anterior, extensor digitorum longus and extensor hallucis longus)?
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Deep peroneal (aka Anterior tibial)
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What is the blood supply for the muscles of the anterior compartment of the leg?
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Anterior tibial artery
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What is the action of Tibialis anterior?
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Dorsiflexion, internally rotates
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What is the action of Extensor digitorum longus?
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Dorsiflexion, internally rotates, everts foot
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What is the action of Extensor hallucis longus?
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Dorsiflexion, internally rotates, extension of big toe
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What is the origin / insertion of Tibialis anterior?
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Tibia / medial cuneiform
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What is the origin / insertion of Extensor digitorum longus?
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Tibia / distal lateral 4 toes
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What is the origin / insertion of Extensor hallucis longus?
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Fibula / distal great toe
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What muscles make up the posterior compartment of the leg (name 4)?
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1. Gastrocnemius (2 bellies)
2. Soleus 3. Popliteus 4. Plantaris |
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What nerve supplies the muscles of the posterior compartment of the leg?
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Tibial n.
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What is the blood supply of the muscles of the posterior compartment of the leg?
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Posterior tibial artery
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What is the action of Gastrocnemius?
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Plantar flexes foot; flexes knee
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What is the action of Soleus?
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Plantar flexes foot
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What is the action of Popliteus?
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Flexes and rotates leg medially to unlock knee from full extension
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What is the action of Plantaris?
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Plantar flex foot
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What is the origin / insertion of Gastrocnemius?
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Medial condyle & lateral condyle / calcaneus
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What is the origin / insertion of Soleus?
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Fibula-tibia / calcaneus
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What is the origin / insertion of Popliteus?
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Lateral condyle femur / tibia
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What is the origin / insertion of Plantaris?
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Lateral femur / calcaneus
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What muscles make up the lateral compartment of the leg?
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Peroneus longus and brevis
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What nerve supplies Peroneus longus and brevis?
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Superficial peroneal (aka fibular)
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What is the blood supply of Peroneus longus and brevis?
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Anterior tibial / peroneal arteries
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What is the action of Peroneus longus and brevis?
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Assists with plantar flexion of the foot (secondary mover) and everts foot
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What is the origin / insertion of Peroneus longus and brevis?
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Lateral tibia - fibula / medial cuneiform & base of 1st metatarsal
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