Concept explainers
45-Year-Old Female with Dislocated Hip
In the previous chapter, you met Kayla Tanner, a 45-year-old mother of four who suffered a dislocated right hip in a car accident. Prior to the closed reduction, the doctors noted that her right thigh was flexed at the hip, adducted, and medially rotated. A widened joint space in the postreduction X ray showed that the reduction was not complete, but no bone fragments were visible in the joint space. Mrs. Tanner was scheduled for immediate surgery.
The surgeons discovered that the acetabular labrum had detached from the rim of the acetabulum and was lying deep within the joint space. The detached portion of the labrum was excised, and the hip was surgically reduced. During the early healing phase (first two weeks), Mrs. Tanner was kept in traction with the thigh abducted.
6. Hip dislocations are classified as anterior or posterior depending on which direction the head of the femur is facing after it dislocates. Based on the description from question 5, which type of dislocation did Mrs. Tanner suffer?
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- Activity View slides of compact and spongy bone under the microscope. Sketch your observations in the space below. Central canal Osteocyte in lacuna Osteon Osteocyte in lacuna Trabeculae Red bone marrow b) Figure 7.3. Photomicrographs of bone tissue: (a) compact, (b) spongy. Identify the similarities and differences between spongy and compact bone Table 7.1. Comparison of compact and spongy bone. Similarities: Differences: Compact Spongy 2110opanjg oarrow_forwardThe proximal radioulnar joint ________. is supported by the annular Ligament contains an articular disc that strongly unites the bones is supported by the ulnar collateral ligament is a hinge joint that allows for flexion/extension of the forearmarrow_forwardMatch the term in column A with the correct description in column B. Column A Column B 1. Articular cartilage a.) C- shaped plate of fibrocartilage that provides shock absorption at the knee joint 2. Interosseous membrane b.) Synchondrosis where bone growth occurs 3. Synovial membrane c.) Layer of hyaline cartilage that covers articulating bony surfaces at synovial joints 4. Bursa d.) Fluid-filled sac that provides cushioning and reduces friction at a synovial joint 5. Fontanelle e.) Structure that anchors a tooth to its bony socket 6. Meniscus f.) Sheet of fibrous connective tissue that connects the long bones in the forearm or leg 7. Intervertebral disc g.) Region of connective tissue between cranial bones in the fetal skull, where ossification is not complete 8. Epiphyseal plate h.) Shock absorbing fibrocartilage located between the bodies of adjacent vertebrae 9. Periodontal…arrow_forward
- How step down off the stair deteriorate knee's bone, please Explain. Is there any gesture of step down off the stair help deteriorate knee's bone.arrow_forwardAHS 131 - Skeletal System - Bone Composition, Structures, Bone Names and their parts. These are the structures and names that you will need to know for your AHS 131 Bone Lab Exam. Please review and rewrite the names in the space below. When appropriate include the function of the structure. Intervetebral Foramen - Spinal Nerve Vertebral Canal - Spinal Cord Normal Curves Lordosis Кyphosis Abnormal Curve Scoliosis Rib Cage True Ribs (1 to 7) False Ribs (8 to 12) Vertebrochondral Ribs (8 to 10) Floating Ribs (11 to 12) Ribs Head Neck Tubercle Angle Body Sternum Manubrium - Jugular Notch - Clavicular Notch Body Xiphoid Process Clavicle Sternal End Clavicular End Conoid Tuberclearrow_forwardQUESTION 7 Identify the bone the arrow is pointing to in the image. O pubis ischium ilium OS Coxaarrow_forward
- Amari suspects they have a condition called metatarsalgia. This term is related to the term “metatarsals.” What are metatarsals, where are they located, and how do you think they are related to metatarsalgia? High heels can cause stress fractures, which are small cracks in the bone that usually appear after repeated mechanical stress, instead of after a significant acute injury. What other condition described in this chapter involves a similar process? What are bunions and osteoarthritis of the knee? Why do you think they can be caused by wearing high heels?arrow_forwardJL, a 50-year-old woman, fell and broke the left tibia at the ankle. She is in the emergency department, waiting for the fracture to be immobilized. The leg hurts and she notes that the ankle is red and swollen. A diagnosis of a simple fracture and sprain (damage to ligaments) is made. What is the rationale for immobilizing the fractured bone? Include in your explanation a discussion of why movement of the affected area is painful. She is told to come back to the fracture clinic in 24 hours to have her cast checked. What could happen to the inflamed tissue if the edema increases in the casted area? What warning signs and symptoms will you look for?arrow_forwardQUESTION 2 Identify the bone and the bone marking the arrow is pointing to in the image. os coxa; acetabulum os coxa; iliac crest O scapula; spine O scapula; glenoid fossaarrow_forward
- Evan is 25 years old. Would you expect to find synchondroses at the ends of his femur? Explainarrow_forwardDuring a mountain biking accident, your 45 year old sister and her excitable 14 year old daughter each suffered a broken arm. Your sister sustained a compound (open) mid-shaft humeral fracture and was treated with open reduction & internal fixation using a plate & screws. Your niece sustained a simple ulnar fracture and was treated with closed reduction and a cast. After their 6 week follow-up visit, your niece says “Compared to mom, my arm doesn't even looked healed, it has a big bump on it in the x-ray picture!" and exclaims its unfair her arm remains in a "clumsy cast!" Based on concepts you have learned about bone fracture and healing and fracture repair, explain to your niece 1) the process of healing that has occurred in her fracture since her accident Use terminology AND your ability to explain their meanings in words a 14 year old can understand. (Use only one page to answer).arrow_forwardDuring a mountain biking accident, your 45 year old sister and her excitable 14 year old daughter each suffered a broken arm. Your sister sustained a compound (open) mid-shaft humeral fracture and was treated with open reduction & internal fixation using a plate & screws. Your niece sustained a simple ulnar fracture and was treated with closed reduction and a cast. After their 6 week follow-up visit, your niece says "Compared to mom, my arm doesn't even looked healed, it has a big bump on it in the x-ray picture!" and exclaims its unfair her arm remains in a "clumsy cast!". Based on concepts you have learned about bone fracture and healing and fracture repair, explain to your niece 1) the process of healing that has occurred in her fracture since her accident; and 2) why there are differences on her x-ray compared to her mom's. Please use terminology AND your ability to explain their meanings in words a 14 year old can understand. Use only one page to answer). Explain Process of…arrow_forward
- Anatomy & PhysiologyBiologyISBN:9781938168130Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark WomblePublisher:OpenStax College