Lab 14_ Joints Lab Exercises

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Mesa Community College *

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201

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Biology

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Apr 3, 2024

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5

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Lab 14: Joints Lab Exercises Introduction Now that you have learned about the bones of the body, you will learn about three major articulations: the shoulder, hip, and knee. To complete this lab, use the following resources: ● Your textbook: ○ Recommended Marieb and Hoehn 11th Ed. Textbook: Chapter 8, Section 8.5 ○ OpenStax OER Textbook: Chapter 9, Section 9.6 ● Learning tools on Canvas including the Lab Videos, Bone Photo Album, and Drag and Drop Labeling activities. Major Articulations (Joints) of the Appendicular Skeleton The knee, hip and shoulder are classified functionally as diarthrotic articulations (joints). These joints are considered to be fully movable. The knee is a uniaxial joint (= moves in one plane) that can perform flexion and extension. The shoulder and hip are multiaxial joints that move in many planes and can perform the following actions: flexion and extension, abduction and adduction, circumduction and rotation. Structurally, all diarthrotic joints are synovial joints with a joint capsule that produces a lubricating and cushioning fluid. View the articulation models, photos, and videos to find the following structures: Shoulder (Glenohumeral) joint coracohumeral ligament acromioclavicular ligament coracoacromial ligament glenohumeral ligaments (multiple ligaments) Hip (Coxal) joint pubofemoral ligament ischiofemoral ligament iliofemoral ligament Knee (Tibiofemoral) joint anterior cruciate ligament posterior cruciate ligament medial (tibial) collateral ligament lateral (fibular) collateral ligament lateral meniscus medial meniscus patellar ligament BIO201 @ MCC Lab 14: Joints Lab Exercises, Page 1
Lab 14: Questions on Joints Lab Exercises Student Name: _____________________ Terminology 1. What is the function of a ligament? A ligament is a tough connective tissue between bones to hold them together. 2. The functional classification of the hip joint is: Gives stability and bares weight. 3. The structural classification of the shoulder is: Ball and socket. 4. Give the two (2) MAIN functions of synovial fluid in diarthrotic articulations. Gives lubrication and allows free movement. 5. What is(are) the main shock absorber(s) in the knee joint? The meniscus is the main shock absorber of the knee joint. Ligaments 6. The most common knee injury involves which two ligaments? Anterior cruciate ligament (ACL) and the medial collateral ligament. 7. The coracoacromial ligament connects which specific parts (bony landmarks)? Include the name of the bone each landmark is located on in your answer. This connects the coracoid process on the scapula to the acromion process on the clavicle. BIO201 @ MCC Lab 14: Joints Lab Exercises, Page 2
Labeling Exercise: Joints Remember to also complete and submit the Labeling Exercise: Ligaments (below) with your lab upload. If you do not have a printer, use the numbers to fill in the table on page 5 . Solid boxes indicate bones and dashed boxes indicate ligaments and other structures. BIO201 @ MCC Lab 14: Joints Lab Exercises, Page 3
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BIO201 @ MCC Lab 14: Joints Lab Exercises, Page 4
Labeling Exercise Table You are encouraged to print or use an electronic format to complete the Labeling Exercises, but you may also use the table below to fill in the bone names if you do not have a printer or prefer not to print the lab. If you fill out the boxes on the Labeling Exercise, you do NOT need to complete this section. If you are printing this lab, you do not need to include this page. Page 3: Shoulder and Hip Joints 1 Acromioclavicular ligament 5 Iliofemoral ligament 2 Coracoclavicular ligament 6 Ischiofemoral ligament 3 Coracohumeral ligament 7 Pubofemoral ligament 4 Glenohumeral ligament Page 4: Knee Joint 8 Femur 14 Patella 9 Fibular (lateral) collateral 15 Medial (tibial) collateral ligament 10 Lateral meniscus 16 Anterior cruciate ligament 11 Fibula 17 Medial meniscus 12 Patellar ligament 18 Posterior cruciate ligament 13 Tibia BIO201 @ MCC Lab 14: Joints Lab Exercises, Page 5

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