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Upper Appendicular Skeleton Mrs. Halkuff Anatomy & Physiology.

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Presentation on theme: "Upper Appendicular Skeleton Mrs. Halkuff Anatomy & Physiology."— Presentation transcript:

1 Upper Appendicular Skeleton Mrs. Halkuff Anatomy & Physiology

2 Vertebral Column Made up of 33 bones Cervical Vertebrae: First 7 Form the neck & support the head. C-1 is called the atlas as it allows the head to nod “yes”. C-2 is called the axis as it allows the head to shake “no”.

3 Thoracic Vertebrae: Second 12 Anchor the ribcage Larger than the cervical vertebrae Increase in size inferiorly. Lumbar Vertebrae: Third 5 Largest set of vertebrae Support weight Allow attachment of back muscles.

4 Vertebrae Body Vertebral Foramen Pedicle Lamina Spinous Process Superior Articular Process Transverse Process

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6 Sacrum & Coccyx Sacral Horns Medial Sacral Crest Dorsal Foramina

7 Sternum Manubrium Jugular Notch Clavicular Notch Body Xiphoid Process

8 Clavicle Makes up the shoulder girdle. Connects the sternum to the scapula. Medial 2/3 rd of shaft is convex anteriorly Lateral 1/3 rd is flat & concave anteriorly. Helps to form two joints: Sternoclavicular Joint Acromioclavicular Joint

9 Clavicle Medial End Lateral End

10 Scapula Covers the 2 nd – 7 th ribs Connects the clavicle to the humerus. Has a concave anterior surface & convex posterior surface.

11 Scapula Acromion Coracoid Process Scapular Notch Superior Border Spine Vertebral Border Axillary Border Glenoid Cavity

12 Humerus Largest bone in the upper limb

13 Humerus Greater Tubercle Lesser Tubercle Intertubercular Groove Deltoid Tuberosity Head Olecranon Fossa Medial Epicondyle Lateral Epicondyle Trochlea Capitulum

14 Radius Shorter of the two forearm bones Has circular radius

15 Radius Head Neck Radial Tuberosity Styloid Process

16 Ulna Longer of the two forearm bones Has “pipe wrench” appearance; or “U” for “ulna” Olecranon Process Coronoid Process Radial Notch

17 Hand Phalanges (Proximal, Middle, Distal) Each phalange is a miniature long bone. Wider at the base (proximal end) & smaller at the head (distal end). Thumb has 2 phalanges; all other digits have 3 phalanges.

18 Metacarpals Heads are the distal ends that articulate with the phalanges (knuckles). Shafts are concave on medial & lateral sides to allow for muscle attachment.

19 Carpals Wrist=“Carpus” 8 bones arranged in proximal & lateral rows. Proximal Row (Medial  Lateral) Scaphoid “Rowboat”, Lunate “Moon”, Triquetrum “3 cornered bone”, Pisiform “Pea” Distal Row (Medial  Lateral) Trapezium “Large Table”, Trapezoid “Little Table”, Hamate “Hook”, Capitate “Round Head” “Students Like The Professor To Teach Complex Hypotheses”

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