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More Upper Limb
Seperate from the concepts
58
Anatomy
Undergraduate 3
12/14/2013

Additional Anatomy Flashcards

 


 

Cards

Term
What bones make up the pectoral girdle?
Definition

Clavice

Scapula

Term
Name the correct names for the parts of the hand
Definition

Whole hand: Manus

-Wrist: Carpus

-hand proper: metacarpis

-fingers: digits

Term
Ligament of the acromioclavicular joint
Definition

Coracoclavicular ligament

 

-ligament that is towrn in a shoulder separation (achromioclavicular dislocation)

Term
Glenohumeral joint
Definition

-"true shoulder joint"

-made of loose ligaments (joint capsule)

-strength of shoulder provided by rotator cuff muscles

-glenoid labrum

Term
Glenoid labrum
Definition

deepens socket of shoulder

circular cartilage

increases stability

allows for a greater range of motion

Term
direction of typical shoulder dislocations
Definition
anterior and inferior
Term

Drainage of breast

 

Definition

 

Lateral -->  parasternal nodes (very close to lungs)

 

OR

 

Lateral-->superior (axillary lymphnodes)

-most drainage, and most cancer found in upper lateral breast

Term
nerve type contents in nerve pleuxes's
Definition

motor supply

sensory supply

autonomic/sympathetic supply

Term
Motor nerve cell body location
Definition
ventral horn of the spinal cord
Term
Sensory cell body location
Definition
DRG/spinal ganglia
Term

 

Segmental back injury

Definition

INjury to the back/spinal cord!!!

Example: C5 and C6 are injured

Term
Periferal INN injury
Definition

Periferal nerve is comprimised

Example: wrist is cut, superficial radial nerve is compromised

Term
dermatomes definition
Definition
to cut up the skin
Term
Branches of the subclavian A
Definition

-vertibral a

-thyrocervical trunk

-internal thoracic a

Term
Branches of the axillary a
Definition
  • thoracoacromial a (pectoral m, shoulder joint, scapular mm)
  • subscapular a (lateral thoracic wall, posterior shoulder)
Term
Branches of the brachial a
Definition
-deep brachial aa (arm supply)
Term
Radial A:
Definition

Lateral/posterior forearm (supplys all of extensors of wrist and digits)

 

-deep palmar arch->metacarpal branches->digital branches

Term
Ulnar A
Definition

-medial/anterior forearm

-supplys flexors of wrist and digits

-wrist->superficial ulnar arch->digital branches

 

***Radial and Ulnar aa both provide dorsal hand blood supply

Term
Veins of the arm
Definition

-functional/ 1 way valves

-Deep set: naimed pairs

-Superficial set: accessible from skin, own names, valves

1. cephalic

2. axillary

3. basilic

4. brachial

5.median cubital v

Term
Articulataions of the Elbow
Definition

There are 3!!

1. ulna to humerous-"true" elbow joint

2. radius to humerous- ""

3. radius to ulna-proximal radioulnar joint

 

**All encased in a single joint capsuel = composite joint**

Term
"True" Elbow Joint
Definition

-trochlea of humerous and trochlear notch of ulna

and capitulum of humerous and head of radius

-synovial/uniaxial/hinge

-STRONG collateral liaments (limit AB/ADduction)

-"Carrying"angle

 

Term
tennis elbow
Definition

-lateral epicondylitis

-inflammation of extensors on the lateral epicondyle

Term
Annular ligament
Definition

-ligament associated with the prosimal radioulnar articulation

-allows the head of the radius to spin while holding it in place

Term
Radiocarpal joint
Definition

-synnovial biaxial

-radius and scaphoid bone

 

Term
Intercarpal JOint
Definition

-synnovial joints/plane or gliding type/nonaxial jt

-enhance wrist movements

-all encased in a singel joint cavity

Term
Carpometacarpal joints of digits 2-5
Definition

-synnovial joint

-plane or gliding type

-nonaxial

Term
Carpometocarpal joints of digit one
Definition

-trapezium to 1st metacarpal

-synnovial/multiaxial joint

-allows for thumb opposition

Term
Metacarpo phalangeal joints of digits 2-5
Definition

-metacarpals to proximal phalanx (knuckles)

-synnovial

-biaxial

 

Term
Metacarpophalangeal joint of digit one
Definition

synnovial

uniaxial

hinge joint

Term
Interphalangeal joints
Definition

-proximal, middle, distal phaland

-1 on thumb

-2 on each digit

Term
General remarks about the Flexors of the forearm
Definition

-anterior/middle side of forearm

-attach on medial epicondyle of the humerous

-INN: medain n

Term
General remarks about the EXTENSORS of the forearm
Definition

-posterior/lateral forearm

-attach on lateral epicondyle of the forearm

-INN: radial n

Term
Muscles that act on the forarm
Definition

-brachioradialis

-pronator teres

-pronator quadratus

-supinator

 

Term

Muscles that act on the wrist

(radiocarpal joint)

Definition

-flexor carpi radialis

-flexor carpi ulnaris

-palmaris longus

-extensor carpi radialis longus

-extensor carpi radialis brevis

-extensor carpi ulnaris

Term
Muscles that act on digits 2-5
Definition

-flexor digitorum profundus

-flexor digitorum superficialis

-extensor digitorum

-extensor indicis

-extensor digiti minimi

Term
Muscles of the forearm that act on the thumb
Definition

-flexor pollicis longus

-aBductor pollicis longus

-extensor pollicis brevis

-extensor pollicis longus

Term
Thenar (thumb) Intrinsics of the hand
Definition

-Adductor pollicis *oddball

-opponens pollicis

-flexor pollicis brevis

-aBductor pollicis brevis

Term

Odd ball/Ulnar innervations

(excluding the digiti minimi muscles)

Definition

FCU - flexor carpi ulnaris

FDP - flexor digitorum profundus

ADP - aDductor pollicis

I - interoseii mm

Term
Hypothenar hand intrinsics
Definition

-opponens digiti minini

-flexor digiti minimi

-aBductor digiti minimi

Term
Lumbricals
Definition

Lumbricles: tendon of FDP to extensor expansion

-radial side of flexor digitorum profundus

-ABdut the digits 2 and 3

-ADduct the digits 4 and 5

-INN = 1/2 median, 1/2 ulnar

*w/ interossei, involved in flexion of MP joints and extension of IP joints

Term
Interossei
Definition

-Palmar or dorsal

-Palmar = aDduction (on each but middle finger, can't aDduct the midline)

-Dorsal = aBduction (indec finger has 2, you can aBduct both ways)

-INN: ulnar n

 

**w/ lumbricles, involved in flexion of MP joints and extension of IP joints**

Term

The hand

lumbricles and interossei things to note

Definition

*no balance between FDP an dED at the MP and IP joints

-interossei and lumbricles hold the balance forces between FDP and ED joints

*cut ulnar nerve = claw hand (extended MP and flexed IP joints)

*w/out ulnar nerve we have lost 1/2 of lumbricles and all interossei (other half of lumbricles supplied by ulnar n)

Term
Axioscapular muscles definition
Definition

-muscles that run from the axial skeleton to the scapula

-primarily involved in movements of the scapula

-DO NOT directly affect moveement at the true glenohumeral joint

 

-pec minor, trapezius, rhomboids, levator scapulae, and the serratus anterior

Term
Axiohumeral definitons
Definition

-origins on the axial skeleton and insertions on the humerous

-involved with the movements of the humerous and the glenohumeral joint

 

-pectoralis major, latissimus dorsi

Term

Scapulohumeral definitions

 

Definition

-AKA "intrinsic muscles"

-originate and insert within the confines of the shoulder

-direct effect on shoulder joint

 

-teres major, teres minor, deltoids, supraspinatus, ingraspinatus, subscapularis

Term
Dorsal Scapular n originates from...
Definition
-C5 spinal n
Term
Long thoracic nerve originates from....
Definition

Spinal n,

C5

C6 &

C7

Term
Supra scapular nerve originates from...
Definition
-combination of C5 and C6 wich equals upper trunk
Term
Diagram of brachial plexus/Trunks
Definition

C5+C6 ventral rami = upper trunk

 

C7 ventral rami = middle trunk

 

C8+T1 ventral rami = lower trunk

Term
Diagram of the brachial plexus/DIVISIONS
Definition

Posterior/anterior divisions

**each trunk has an anterior division as well as a posterior division

-all 3 posterior divisions join to create posterior cord

-lateral cord created by two anterior divisions (from mid and upper trunk)

-lower cord created by anterior division (from lower trunk)

Term

Innervation of the

LONG THORACIC NERVE

Definition
serratus anterior
Term

Inn of the

DORSAL SCAPULAR N

Definition

rhomboids

levator scapulae

 

Term

INN of the

SUPRASCAPULAR N

 

Definition

supraspinatus

infraspinatus

(upper trunk)

Term

INN of the

UPPER SUBSCAPULAR N

Definition
subscapularis m
Term

INN of the

THORACODORSAL N

Definition
latissimus dorsi
Term

INNs of the

LOWER SUBSCAPULAR N

 

Definition

subscapularis m

teres major m

 

Term

INNs of the

AXILLARY N

Definition

deltoid

teres minor

Term

INNs of the

MEDIAL AND LATERAL PECTORAL NN

Definition

pectoralis major

pectoralis minor

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