Morphological plan of upper limb Flashcards
Describe the locomotion of man
Bipedal - free upper limb
Describe the anatomical evolution of man
Changes to the foot, hip, knee, vertebral column, skull
Longer clavicles
Pronation/supination
Opposable thumb
What caused the upper limb to evolve?
Mechanical interaction with the environment
Describe the locomotion of most mammals
Quadrapedal - climbing and crawling
How many bones are in the upper limb?
32
How many muscles are in the upper limb?
57
Give the name of the main nerve supply in the upper limb
Brachial plexus
Describe the basic arrangement of the upper limb starting with course muscle groups and ending in fine muscle groups
Shoulder Arm Elbow Forearm Wrist Hand
How many carpal bones are there?
8
How many metacarpals are there?
5
How many phalanges are there?
14
What is the head of the humerus divided into?
Greater and lesser tubercle
What is the end of the humerus divided into?
Lateral and medial epicondyle
What separates the two tubercles of the humerus?
Intertubercular sulcus/bicipital groove
Name the tuberosity on the humerus
Deltoid tuberosity
Name the parts of the radius
Head
Radial tuberosity
Styloid process
Name the parts of the ulna
Olecranon
Ulna tuberosity
Styloid process of ulna
Name the structure which lies between the radius and ulna
Interosseous membrane
Describe the arrangement of the wrist
2 rows of carpal bones (proximal and distal)
List the limb movements
Flexion/extension
Abduction/Adduction
Lateral/Medial rotation
Pronation/Supination
Circumduction
Opposition
List some joints in the upper limb
Glenohumeral
Elbow
Wrist (radiocarpal)
Midcarpal
Carpometacarpal
Metacarpophalangeal
Interphalangeal
What joint forms the opposable thumb?
Saddle joint
Name the anterior functional compartments
Flexor compartments
Name the posterior functional compartments
Extensor compartments
Describe the attachment of the upper limb to the trunk
From thoracic wall
Superficial back muscles from vertebral column
Name 3 muscles found at the shoulder joint
Deltoid
Rotator cuff muscles
Teres major
Name the anterior flexor muscles of the upper arm
Coracobrachialis
Biceps brachii
Brachialis
Name the posterior extensor muscles of the upper arm
Triceps brachii
What group of muscles are found in the anterior forearm?
Flexors of wrists and digits
What group of muscles are found in the posterior forearm?
Extensors of wrists and digits
Name the two main muscles in the hand
Thenar muscles (thumb)
Hypothenar muscles (little finger)
List the movements of the vertebral column
Flexion/extension
Lateral flexion/extension
Rotation
Name the 4 curvatures of the vertebral column
Cervical
Thoracic
Lumbar
Sacral