Morphological Plan Of Upper Limb Flashcards
How many bones in upper limb?
32
How many muscles in upper limb?
57
How many carpal bones?
8
How many phalangeal muscles?
14
Spine of scapula terminates at?
Acromion process
Which muscle inserts on Coracoid process?
Pec minor and one of the head of biceps
What type of bone is scapula?
Flat
Definition of long bone?
1 diaphysis and 2 epiphyseal ends
Head of humerus associated with?
Glenoid cavity
Which nerve is associated with medial epicondyle?
Ulnar nerve
If radial nerve is injured what will patient present with?
Wrist drop, because radial nerve supplies the extensors
Biceps tendon inserts onto?
Radial tuberosity
A fibrous type of joint is?
Interosseous membrane
Shoulder joint is called?
Glenohumeral
Saddle joints are?
Midcarpal to carpometacarpal
What type of joint is elbow and what kind of movement?
Hinge, so flexion and extension
Wrist type of joint?
Elippsoidal joint, condyloid
Joining thumb to pads of other fingers is called?
Opposition
What divides anterior and posterior group?
Septa made of deep fascia
On posterior aspect what type of muscles?
Extensors
What type of muscles in anterior aspect?
Flexors
Flexion of thumb?
Moving thumb in towards plane of palm
Injury to internal thoracic nerve causes?
Winged scapula
Deltoid origin?
Spine of scapula and clavicle
Deltoid role?
Abduction
Anterior aspect of arm?
Coracobrachialis
Biceps brachii
Brachialis
Extensor of arm?
Triceps brachii
Heads of biceps brachii origin?
Long head Supraglenoid tubercle
Short head coracoid process
Flexor muscle of forearm origin?
Medial epicondyle
Extensor muscle of forearm origin?
Lateral epicondyle
Primary fetal curves?
Thoracic and sacral
Secondary curvatures?
Cervical and lumber, by lifting neck and crawling
What is pedicel?
Joins body to lamina
What lines the anterior aspect of body?
Anterior longitudinal ligament and posterior posterior longitudinal ligament
Lamina joint by?
Ligamentum flava
Behind the spine the ligament lining would be?
Supraspinous ligament
During whiplash which ligament is injured?
Anterior longitudinal
Intervertebral discs are made of?
Annulus fibrous
Nucleus pulposus
What can cause back pain?
Degeneration of facet joints
Extrinsic muscles of back are?
Superficial and intermediate
Trapezius inserts into?
Acromion process/ spine of scapula and clavicle, retracting elevating and depression of scapula
Latissismus dorsi origin/ insertion onto?
spinous processes of thoracic T7–T12, thoracolumbar fascia, iliac crest and inferior 3 or 4 ribs, inferior angle of scapula
Bicipital groove
Levator scapulae origin and insertion and job?
Origin- transverse process of first 4 cervical vertebras
Superior angle and medial border of scapula
Elevates scapula
Rhomboid insertion and origin role?
Origin- C7 to t5
Inserts onto medial border of scapula
Retracts scapula
Deep muscle 3 layers?
Splenius
Erector spinae
Multifudus
Erector spinae consists of?
Spinales- to spinous processes
Longissimus-to transverse processes
Iliocostalis-to ribs
Multifidus binds?
Transverse process to vertebra spinous process above.
Intrinsic muscles are supplied by?
Posterior primary ramus
The hand has which muscles?
Thenar and hypothenar
Which ligaments resist hyperextension?
Anterior longitudinal ligament
Which ligaments help resist hyperflexion?
Posterior longitudinal ligament and ligamentum flava
Intervertebral discs are what kind of joint?
Fibrocartilage- secondary cartilaginous
Disc protrusion, Nucleus pulposus herniation can cause what?
Impingement on nerves
Extrinsic and intrinsic muscles are separated by?
Thoarcolumbar fascia
Trapezius origin and insertion?
Origin- base of occipital/ spinous processes
Insertion- spine of scapula, acromion process and clavicle
Latissimus dorsi origin and insertion?
Origin- inferior angle of scapula/ aponeurosis of thoracolumbar/iliac crest
Insertion- bicipital groove of humerus
Superficial muscles of back include?
Latissimus dorsi
Trapezius
Levator scapulae
Rhomboid
Origin of erector spinae?
Erector spinae aponeurosis
What does multifidus do?
Extends rotates and stabilises vertebral column
Extrinsic muscles are supplied by?
Anterior primary ramus, mainly cervical rami
An epidural injection is given through which ligaments?
Supraspinous, interspinous, ligamentum flava
Intervertebral discs are made up of?
Fibrocartilage
Joints between vertebral arches are?
Synovial
What doe trapezius do?
Rotate scapula
Latissimus dorsi action?
Addicts, extends and medically rotates arm
Action of erector spinae muscles?
Extend
Laterally flex
Rotate vertebral column
Multifidus role?
Stabilise vertebral colum, extend, rotate