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Appendicular Skeleton
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Anatomy A-Day 1/19/18 Bellringer
What bones make up the axial skeleton? How many bones are in the human body? Agenda Bellringer Bone ID Coloring Packet Appendicular Skeleton Notes Label Skeleton
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Anatomy A-Day 1/19/18 Bellringer
What bones make up the axial skeleton? Skull, vertebrae and bony thorax (ribs, sternum) How many bones are in the human body? 206 Agenda Bellringer Bone ID Coloring Packet Appendicular Skeleton Notes Label Skeleton
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Anatomy A-Day 1/23/18 Bellringer
What are the 3 parts of the coxal bone? What are the two bones in the lower leg called and which one only stabilizes the ankle? Agenda Bellringer Skeletal System Labeling Bone Marking Notes Bone Identification Lab
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Anatomy A-Day 1/23/18 Bellringer
What are the 3 parts of the coxal bone? Ilium, ischium, pubis What are the two bones in the lower leg called and which one only stabilizes the ankle? Tibia and fibula, fibula Agenda Bellringer Skeletal System Worksheet Bone Marking Notes Bone Identification Lab
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Anatomy A-Day 1/25/18 Bellringer
What is the collection of bones in the wrist called? True/False: The skull is part of the appendicular skeleton Agenda Bellringer Bone Identification Lab Joints Notes Body Movement Activity
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Anatomy B-Day 1/25/18 Bellringer
What is the collection of bones in the wrist called? Carpals True/False: The skull is part of the appendicular skeleton FALSE Agenda Bellringer Bone Identification Lab Joints Notes Body Movement Activity
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Anatomy B-Day 1/29/18 Bellringer
What type of synovial joint permits movement in only one plane (elbow) What movement means to move toward the midline? Agenda Bellringer Body Movement Activity
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Anatomy A-Day 1/29/18 Bellringer
What type of synovial joint permits movement in only one plane (elbow) Hinge What movement means to move toward the midline? Adduction Agenda Bellringer Body Movement Activity
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Anatomy A-Day 1/31/18 Bellringer
Which bone marking is a shallow like depression? Which bone marking is a round articular projection? Agenda Bellringer Joints and Movements Review for Exam
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Anatomy A-Day 1/31/18 Bellringer
Which bone marking is a shallow like depression? Fossa Which bone marking is a round articular projection? Condyle Agenda Bellringer Joints and Movements Review for Exam
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Anatomy A-Day 2/2/18 Bellringer
Which bone is located on the pinky side of the arm? What joint is located in the carpals and tarsals? Agenda Bellringer Kahoot Review Skeletal System Exam Cochlear Implants reading
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Anatomy A-Day 2/2/18 Bellringer
Which bone is located on the pinky side of the arm? Ulna What joint is located in the carpals and tarsals? Gliding Agenda Bellringer Kahoot Review Appendicular Skeleton Exam Cochlear Implants reading
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Appendicular Skeleton- Consists of:
Pectoral girdle & arms Pelvic girdle & legs
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Upper Pectoral Clavicle - “collarbone”
Functions: attachment point for muscles, brace to hold the arm laterally, transmits compression to axial skeleton
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Clavicle Curve- guarantees the break is not against any blood vessels
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Clavicle Medially articulates with manubrium (top part of sternum)
Laterally articulates with the scapula at the acromial process
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Scapulae “Shoulder blade” Lies on the dorsal surface of the rib cage
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Scapulae markings Posterior Spine
Acromion process- end of the spine that connects to the clavicle “point of shoulder” Anterior Coracoid process-”bent little finger” anchors biceps Suprascapular notch- nerve passage
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Scapulae markings Lateral
Glenoid cavity- a shallow socket that receives the head of the humerus Advantage= the shoulder is flexible because it is a loose attachment Disadvantage= makes it unstable and easy to dislocate
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Humerus Proximal: Shaft:
Head Greater tubercle and Lesser tubercle-muscle attachment Shaft: Anterior- Deltoid Tuberosity - muscle Posterior- Radial Groove – radial nerve
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Distal Humerus -Trochlea- looks like a spool
-Capitulum- lateral, “ball like” -Coronoid Fossa- anterior depression above the trochlea -Olecranon Fossa- posterior depression above the trochlea -Medial and lateral epicondyles=muscle attachments
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Lower arm- 2 bones Radius- Lateral (thumb side)
head- proximal meets capitulum styloid process- distal lateral bump
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Lower arm Ulna- medial (pinky side) “wrench” olecranon process
trochlear notch coronoid process Hooks onto the trochlea of the humerus
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Hand Carpus- wrist (8 bones) Lateral to medial- two rows of 4
Scaphoid Trapezium Lunate Trapezoid Triquetral Capitate Pisiform Hamate “Sally left the party to take Cathy home”
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Hand Metacarpals- 1 -5 Palm to knuckles lateral to medial
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Phalanges- (14) fingers and thumb Fingers- 3 bones
Hand Phalanges- (14) fingers and thumb Fingers- 3 bones -proximal, middle, distal Thumb- (pollex) 2 -proximal, distal
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Secured by the strongest ligaments in the body Stable
Pelvic Girdle Functions: attaches lower limbs, transmits weight, supports visceral organs Secured by the strongest ligaments in the body Stable
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Hip Hip = “ os coxae” -2 coxal bones made of three fused bones
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Hip Fused bones: Ilium Point Ischium of = Acetabulum Fusion Pubis
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Hip Acetabulum = “Hip Socket”
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Ilium- large flaring bone
Iliac Crest -wings -Anterior Superior Iliac Spine- end of the anterior supeior iliac crest -Posterior Superior Iliac Spine- end of the posterior superior iliac crest
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Ilium Greater sciatic Notch- posterior deep indentation where the thick cord like sciatic nerve enters the thigh Auricular Surface- medial rough area that articulates with the sacrum
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Ischium –posterior inferior
Lesser sciatic notch- nerves & blood vessels pass to anal and genital area Ischial spine- attaches ligament Ischial tuberosity- buttocks, strong when you sit, it holds your weight
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Pubis – anterior Obturator foramen- for blood vessels, covered in membrane Pubic symphysis- joint Pubic arch/angle- distinguish males and females
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Female Pelvis True pelvis- important for childbirth
Ischial spine is shorter Pelvis is shallower, lighter Pubic angle is greater Pubic arch is more round Iliums flare more laterally Inlet is larger and rounded
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Abnormality Dysplasia- the acetabulum is shallow and the head of the femur will slip out
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Femur- Thigh Largest, longest, strongest bone Head
Fovea Capitas- attachment of a small ligament that secures the bone into the socket – looks like a small pit on the top center of the head Neck –weakest area prone to fracture (broken hip)
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Femur- proximal Greater Trochanter- lateral Lesser Trochanter – medial
Both are the site of thigh and buttocks muscles Gluteal tuberosity-muscle attachment
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Distal Femur- posterior
Lateral and medial condyles-articulates with the tibia Intercondylar Notch- “U” shaped between condyles Lateral Epicondyles- superior to condyles Medial Epicondyles
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Tibia Proximal: Medial and lateral condyles articulates with the femur Intercondylar Eminence = point between condyles Tibial tuberosity- anterior attaches patellar ligament
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Shaft: is wider posterior than anterior (shin)
Distal: articulates with talus of foot Medial malleolus- inner medial ankle
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Fibula Only stabilizes the ankle
Thinner bone in the shin, on the lateral side proximal = Head distal = Lateral Malleolus – lateral ankle
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Foot Tarsus, Metatarsus, Phalanges
Function: Support, lever to propel weight forward
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Tarsus= 7 tarsal bones 1. Talus- articulates with tibia and fibula 2. Calcaneus- heel bone -Calcaneal = Achilles Tendon -Calcaneal Tuberosity- part that touches ground 3. Cuboid- lateral 4. Navicular- medial 5, 6, 7. Cuniform-medial, intermediate, lateral
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Metatarsus- 5 (I to V) Starting medial with big toe (I)
Enlarged distal head forms the “ball of the foot”
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Phalanges (Toes) 14 Big toe – 2 parts proximal and distal
Toe 2,3,4,5 – 3 parts: proximal, middle, distal
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Arches Maintained by ligaments and tendons 3 arches:
Medial longitudinal Lateral longitudinal Transverse
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