practical 2 is next week !!!!!!!! same time and place as your usual lab covers the bone markings to...
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![Page 1: Practical 2 is next week !!!!!!!! Same time and place as your usual lab Covers the Bone Markings to Joints Lab 60 Questions, multiple choice Questions](https://reader033.vdocuments.net/reader033/viewer/2022051417/56649d6c5503460f94a4bcaf/html5/thumbnails/1.jpg)
Practical 2 is next week !!!!!!!!
Same time and place as your usual lab
Covers the Bone Markings to Joints Lab
60 Questions, multiple choice
Questions fairly evenly divided among labs
Emphasis on muscles, axial, appen. skeleton
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What is a Joint?
A place where bones connect or articulate
Bones are held together at a joint by ligaments
There are 3 types of joints….
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Types of JointsFibrous Joints Allow very little to no movement No joint cavity
Cartilaginous Joints Most allow moderate amounts of movement No joint cavity Pad of cartilage in between bones at joint
Synovial Joints Allow lots of movement Joint cavity present
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Fibrous
Fibrous
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Types of JointsFibrous Joints Allow very little to no movement No joint cavity
Cartilaginous Joints Allows a moderate amount of movement No joint cavity Pad of cartilage in the joint
Synovial Joints Allow lots of movement Joint cavity present
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Cartilaginous
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Types of JointsFibrous Joints Allow very little to no movement No joint cavity
Cartilaginous Joints Most allow moderate amounts of movement No joint cavity Pad of cartilage in the joint
Synovial Joints Allow lots of movement Joint cavity present
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Synovial
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Types of Synovial Joints
Flat articulating surfaces
Sliding movement in 1 or 2 planes
Examples: intercarpal joints intertarsal joints
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Types of Synovial Joints
Movement in 1 plane (like a door)
Examples: elbow interphalangeal joints knee joint
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Types of Synovial Joints
Allows for rotation
Examples: radius-ulna joint atlas-axis joint
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Types of Synovial Joints
Allows 2-way movement
Examples: wrist joint knuckles
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Types of Synovial Joints
Allows 2-way movement
Examples: thumb joint
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Types of Synovial Joints
Allows lots of motion
Examples: shoulder joint hip joint
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Synovial Joint Anatomy
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Synovial Fluid = joint oil
The Synovial Membrane secretes synovial fluid into the joint
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Lets Dissect a Cow Synovial Joint !!!
Find These Things: 1. Ligaments 2. Synovial Membrane 3. Articular Cartilage 4. Joint Cavity 5. Yellow Bone Marrow
Which joint are you dissecting???
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The Knee Joint
Largest & most complex joint in the body
Be familiar with the following: medial meniscus lateral meniscus anterior cruciate ligament (ACL) posterior cruciate ligament (PCL)
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The Knee Joint – Pg. 128-129
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Joint DisordersSprain ligaments holding the joint together are damaged by hyperextension or a tear EX: ankle sprain
Dislocation bone(s) are forced out of their normal position in the joint bone “goes out of its socket”
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It’s Jeopardy Time!