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Anterior Muscles

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vuluzico's version from 2015-11-02 00:54

Section

Question Answer
digastric- anterior bellymandibular branch of the trigeminal nerve (CN V)
digastric- posterior bellyfacial nerve (CN VII)
stylohyoidfacial nerve (CN VII)
geniohyoid spinal nerve C1
mylohyoidmandibular branch of the trigeminal nerve (CN V)
omohyoid spinal nerves C1- C3 (ansa cervicalis)
sternohyoid spinal nerves C1-C3
sternothyroidspinal nerves C1-C3
thyrohyoid cervical spinal nerves C1 and C2 via hypoglossal nerve (CN XII)
sternocleidomastoid accessory nerve (CN XI) and cervical spinal nerves
cricothyroidvagus nerve (CN X)
memorize

Section

Question Answer
pectoralis major (O)clavicular= clavicle, sterocostal= sternum and costal cartilages 2-6
pectoralis major (I)greater tubercle of the humerus
pectoralis major (A)prime mover of arm flexion; adduction and medial rotation of arm
pectoralis major (N)medial and lateral pectoral nerves
deltoid (O)spine and acromion process of scapula, lateral 1/3 of clavicle
deltoid (I)deltoid tuberosity of humerus
deltoid (A)prime mover of arm abduction; synergist in flexion/extension of arm
deltoid (N)axillary nerve
coracobrachialis (O)coracoid process of scapula
coracobrachialis (I)mid-medial shaft of humerus
coracobrachialis (A)arm flexion and adduction
coracobrachialis (N)musculocutaneous nerve
memorize

Section

Question Answer
serratus anterior (O)ribs 1-8
serratus anterior (I)vertebral border of scapula
serratus anterior (N)long thoracic nerve
pectoralis minor (O)ribs 3-5
pectoralis minor (I)coracoid process of scapula
pectoralis minor (N)medial pectoral nerve
memorize

Section

Question Answer
biceps brachii (O)long= supraglenoid tubercle of scapula, short= coracoid process of scapula
biceps brachii (I)radial tuberosity
biceps brachii (A)major forearm flexor; supinates forearm; weak flexor of arm
biceps brachii (N)musculocutaneous nerve
brachialis (O)anterior, distal surface of humerus
brachialis (I)coronoid process and tuberosity of ulna
brachialis (A)major forearm flexor
brachialis (N)musculocutaneous nerve
brachioradialis (O)lateral epicondyle of humerus
brachioradialis (I)styloid process of radius
brachioradialis (N)radial nerve
memorize

Section

Question Answer
supinatorradial nerve
pronator teresmedian nerve
pronator quadratusmedian nerve
memorize

Section

Question Answer
iliacus (O)iliac fossa of the os coxa
iliacus (I)lesser trochanter of femur
iliacus (A)prime flexor of thigh, postural muscle
iliacus (N)femoral nerve
psoas major (O)vertebrae T12- L5
psoas major (I)lesser trochanter of femur
psoas major (A)prime flexor of thigh, postural muscle
psoas major (N) spinal nervess L1-L3
sartorius (O)anterior superior iliac spine
sartorius (I)medial proximal tibial shaft
sartorius (A)flexion and lateral rotation of thigh; flexion of lower leg
sartorius (N)femoral nerve
memorize

Section

Question Answer
rectus femoris (O)anterior inferior iliac spine and superior margin of acetabulum
rectus femoris (I)patella and tibial tuberosity via patellar ligament
rectus femoris (A)thigh flexion, lower leg extension
vastus lateralis (O)anterior and inferior border of greater trochanter and linea aspera of femur
vastus lateralis (I)patella and tibial tuberosity via patellar ligament
vastus lateralis (A)lower leg extension and stabilizes patella
vastus medialis (O)linea aspera of femur
vastus medialis (I)patella and tibial tuberosity via patellar ligament
vastus medialis (A)lower leg extension and stabilizes patella
vastus intermedius (O)proximal anterolateral femoral shaft
vastus intermedius (I)patella and tibial tuberosity via patellar ligament
vastus intermedius (A)lower leg extension
tensor fasciae latae (O)anterior aspect of iliac crest and anterior superior iliac spine
tensor fasciae latae (I)iliotibial tract
tensor fasciae latae (A)abduction and flexion of thigh
tensor fasciae latae (N)superior gluteal nerve
memorize

Section

Question Answer
pectineus (O)pubis of os coxa
pectineus (I)pectinial line of posterior femoral shaft, inferior to lesser trochanter
pectineus (A)adduction and flexion of thigh
pectineus (N)femoral nerve
gracilis (O)ramus and body of pubis
gracilis (I)medial proximal tibial shaft
gracilis (A)adducts thigh; flexes and medially rotates leg
gracilis (N)obturator nerve (L2 and L3)
adductor longus (O)inferior ramus of pubis
adductor longus (I)linea aspera of femur
adductor longus (A)adduction and medial rotation of thigh
adductor longus (N)obturator nerve and sciatic nerve
adductor magnus (O)ischial and pubic rami and ischial tuberosity
adductor magnus (I)linea aspera of femur
adductor magnus (A)extension, adduction, and medial rotation of thigh
adductor magnus (N)obturator nerve and sciatic nerve
memorize

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