Upper limb Flashcards
Most commonly fractured bone in the body
Clavicle
Most frequently dislocated carpal bone
Lunate
Most frequently fractured carpal bone
scaphoid
Name of fracture of distal radius that produces “dinner fork” appearance
Colle’s fracture
Nerve injured with fracture of surgical neck of humerus
Axillary
Nerve injured with fracture of medial humeral epicondyle
Ulnar
Nerve injured with fracture of shaft of humerus
Radial
Nerve injured in wrist drop
Radial
Muscle that is chief flexor and chief extensor at shoulder joint
Deltoid
Muscles innervated by axillary nerve
Deltoid and teres minor
Muscle that initiates abduction of arm
Supraspinatus
Most commonly torn tendon of rotator cuff
Supraspinatus
Two muscles that rotate scapula for full abduction of arm
Trapezius and serratus anterior
Tendon that courses through shoulder joint
Long head of biceps
Chief supinator muscle of hand
Biceps brachii
Injury to what nerve causes winged scapula
Long thoracic nerve
Spinal levels of axillary nerve
C5 and C6
Spinal levels to muscles of the hand
C8 and T1
Dermatome of thumb
C6
Nerve to thenar compartment
Recurrent branch of Median
Innervation of adductor pollicis
Ulnar (deep br.)
Innervation to all interosseous muscles
Ulnar (deep br.)
Region affected by upper trunk injury of brachial plexus
Shoulder
Region affected by lower trunk injury of brachial plexus
Intrinsic hand muscles
Nerve compressed with carpal tunnel syndrome
Median
Nerve affected by cubital tunnel syndrome
Ulnar
Paralysis of which muscles results in total “claw” hand
Lumbricals
Name the rotator cuff muscles
Supraspinatus
Infraspinatus
There’s minor
Supscapularis
Palsy from traction or tear of the upper trunk of brachial plexus
Erb-Duchenne palsy. C5-C6 root damage, looks like “waiters tip” position.
