ANATOMY PEARLS Flashcards
Upper Brachial Plexus Injury
C5 & C6; SHOULDER DYSTOCIA; LATERAL loss of sensation (SHOULDER & THUMB)
Lower Brachial Plexus Injury
C8 & T1; ULNAR and MEDIAN nerve damage; MEDIAL loss of sensation (HYPOTHENAR & LITTLE FINGER)
Erb- Duchenne’s Syndrome
C5 & C6; PROXIMAL muscles; WAITER’s TIP; LATERAL altered sensation (FOREARM, THUMB & INDEX)
Klumpke’s Paralysis
C8 & T1; DISTAL muscles; APE HAND and CLAW HAND; MEDIAL altered sensation (HAND, RING & LITTLE)
Muscles of Shoulder
Supraspinatus, Infraspinatus, Teres Minor, Subscapularis, Deltoid Teres Major
Sumarize Shoulder Muscles and their Actions
Supraspinatus & Teres Major (ABDUCTORS); Infraspinatus & Teres Minor (LATERAL ROTATORS); Subscapularis & Teres Major (MEDIAL ROTATORS)
Axillary Nerve Innervation
DELTOID and TERES MINOR
Musculocutaneous Nerve Innervation
ANTERIOR/ FLEXOR COMPARTMENT of ARM
Radial Nerve Innervation
POSTERIOR/ EXTENSOR COMPARTMENT of ARM
Median Nerve Innervation
ANTERIOR/ FLEXOR COMPARTMENT of FOREARM EXCEPT FCU & FDP - ULNAR n
Ulnar Nerve Innervation
INTRINSIC MUSCLES of HAND
Surgical Neck Fracture
AXILLARY NERVE (posterior circumflex artery)
Midshaft/ Spiral Fracture
RADIAL NERVE (profunda brachial artery)
Supracondylar Fracture
MEDIAN NERVE
Medial Epicondyle Fracture
ULNAR NERVE
Cubital Fossa contents from Medial to Lateral
MEDIAN art, BRACHIAL art, BICEPS BRACHII tendon, RADIAL nerve
Rotator Cuff Muscles
SUPRASPINATUS, INFRASPINATUS, TERES MINOR, SUBSCAPULARIS; WEAKEST on INFERIOR, PRONE to DISLOCATION at ANTERIOR
Quadrangular Space
TERES MINOR (above), TERES MAJOR (below), LONG HEAD of TRICEPS BRACHII (medial), SURGICAL NECK of HUMERUS (lateral)
Contents of Quadrangular Space
AXILLARY NERVE (Circumflex Nerve), POSTERIOR CIRCUMFLEX HUMERAL VESSELS
Long Thoracic Nerve Lesion
SERRATUS ANTERIOR; WINGING of VERTEBRAL BORDER of scapula; WEAKNESS in PROTRACTION of SCAPULA, DIFFICULTY RAISING ARM ABOVE HEAD
First and last bone to ossify; Describe Shape
CLAVICLE; Medial 2/3 Convex Forward, Distal 1/3 Flattened
Injury upon fall on shoulder or outstretched hand
CLAVICULAR FRACTURE (MEDIAL ELEVATED by SCM, DISTAL DOWNWARD by GRAVITY & DELTOID)
Nerve Injury resulting from Clavicular Fracture
LOWER BRACHIAL PLEXUS INJURY (HEMORRHAGE from SUBCLAVIAN VEIN)
Anomaly in Femoral Head Dislocation
commonly POSTERIOR direction; thigh MEDIALLY ROTATED by GLUTEUS MEDIUS & GLUTEUS MINIMUS; SCIATIC NERVE COMPRESSION