MS + CT Flashcards
layers of epidermis from surface to base
Californians Love G String Bikinis
- Corneum (keratin)
- Lucidum
- Granulosum
- Spinosum (spines = desmosomes)
- Basale
Which junction type is Ca dependent
Adherens
- actin + CADherins
What from cell binds to collagen and laminin in BM
Integrins
Action of infraspinatus
lateral rotation
What does hand look like after Klumpke injury
lose all intrinsic hand muscles
- total claw hand
- lumbricals normally flex MCP and extend DIP and PIP
fractured surgical neck of humerus
What nerve is injured?
axillary
anterior dislocation of humerus
What nerve is injured?
axillary
flattened deltoid
loss of abduction at shoulder
loss of sensation over deltoid muscle and lat arm
axillary
midshaft fracture of humerus
What nerve is injured?
radial
compression from crutches
What nerve is injured?
radial
loss of sensation over lateral forearm
What nerve is injured?
musculocutaneous
supracondylar fracture of humerus
What nerve is injured?
median
Action of lumbricals
flexion of MCP
extension of DIP and PIP
Muscles in thenar and hypothenar compartment and actions
OAF (oppose, abduct, flex)
Opponens pollicis (digiti minimi)
Abductor pollicis brevis (DM)
Flexor pollicis brevis (DM)
actions of interossei
DAB (Dorsal ABduct)
PAD (Palmar ADduct)
What nerve innervates gluteus maximus
inferior gluteal
superior gluteal nerve lesion causes what
trendelenburg sign/gait
- lesion is contralateral to side of drop
Actions of Tibial vs peroneal nerves
TIP (tibial inverts and plantar flexes)
PED (Peroneal everts and dorsiflexes)
What nerve/artery pair is in axilla/lateral thorax
long thoracic
lateral thoracic
What nerve/artery pair is near surgical neck of humerus
axillary
posterior circumflex