1. What are the primary movements of the knee joint? 2. What muscle groups are the most important in flexion and extension of the knee? 3. What happens to muscle and bone tissue when they are not used 4. Why could a tendon be used to replace a ligament? Hint: think histology. s. Consider the overall seructure of the knee joint. (You may wish to draw a picture or label a diagram.) What type of membrane lines the joint? What is its function? Was it cut in any way during the surgery? 6. Of the structures injured (pandla, MCL, ACL. menisci), which will heal the fastest? Why? 7. Every incision will form some sort of scar. What is the term for scarring of a timae? What cell type is most important for scar formation?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1. What are the primary movements of the knee joint?
2. What muscle groups are the most important in flexion and
extension of the knee?
3. What happens to musde and bone tissae when they are not
ued
4 Why could a tendon be used to replace a ligament? Hint:
think histology
5. Consider the overall seructure of the knee joint. (You may
wish to draw a picture or label a diagram.) What type of
membrane lines the joint? What is its function? Was it cut
in any way during the surgery?
6. Of the structures injured (patella, MCL, ACL. menisci),
which will heal the fastest? Why?
7. Every incision will form some sort of scar. What is the term
for searring of a tiae? What cell type is most important for
scar formation?
Transcribed Image Text:Questions 1. What are the primary movements of the knee joint? 2. What muscle groups are the most important in flexion and extension of the knee? 3. What happens to musde and bone tissae when they are not ued 4 Why could a tendon be used to replace a ligament? Hint: think histology 5. Consider the overall seructure of the knee joint. (You may wish to draw a picture or label a diagram.) What type of membrane lines the joint? What is its function? Was it cut in any way during the surgery? 6. Of the structures injured (patella, MCL, ACL. menisci), which will heal the fastest? Why? 7. Every incision will form some sort of scar. What is the term for searring of a tiae? What cell type is most important for scar formation?
After viewing the MRI and talking with Elaine, Dr. Leutz strongly advised her to have reconstructive surgery
on the ACL and to use conservative therapy on the partially torn medial collateral ligament. First, though,
he wanted her to "pre-hab that is, take physical therapy for several weeks-in order to have the knee and
kg in the best possible shape before the surgery. She was also instructed to use a more substantial brace. Dr.
Leutz described the procedure: either a cadaver tendon OR the middle third of her patellar tendon would be
removed and used to replace the ACL, which would be removed. Elaine opted to use her owa tendon.
Five weeks later, Elaine went in for surgery. She was given a drug used for conscious sedation as well as a
general anesthetic. Through the arthroscope the surgeon noted significant injury to both the medial and
lateral menisci, which he repaired with sutures and screws. The pieces of the torn ACL were removed. A
superficial incision was made in the midline of her right knee and a piece of patellar tendon was removed,
along with the attaching small pieces of bone to use for the grafting procedure. Unfortunately, when the
piece of patellar bone was chiseled out, the patella itself fractured. The fracture was repaired with metal
screws, the incision was closed, and Elaine was discharged from the hospital.
Transcribed Image Text:After viewing the MRI and talking with Elaine, Dr. Leutz strongly advised her to have reconstructive surgery on the ACL and to use conservative therapy on the partially torn medial collateral ligament. First, though, he wanted her to "pre-hab that is, take physical therapy for several weeks-in order to have the knee and kg in the best possible shape before the surgery. She was also instructed to use a more substantial brace. Dr. Leutz described the procedure: either a cadaver tendon OR the middle third of her patellar tendon would be removed and used to replace the ACL, which would be removed. Elaine opted to use her owa tendon. Five weeks later, Elaine went in for surgery. She was given a drug used for conscious sedation as well as a general anesthetic. Through the arthroscope the surgeon noted significant injury to both the medial and lateral menisci, which he repaired with sutures and screws. The pieces of the torn ACL were removed. A superficial incision was made in the midline of her right knee and a piece of patellar tendon was removed, along with the attaching small pieces of bone to use for the grafting procedure. Unfortunately, when the piece of patellar bone was chiseled out, the patella itself fractured. The fracture was repaired with metal screws, the incision was closed, and Elaine was discharged from the hospital.
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