ACL Case Study questions and answers| graded A+

ACL Case Study questions and answers| graded A+ Fibrous Joint Structural. Held together by dense irregular connective tissue as in skull bones. Cartilaginous Joint Structural. Pubic symphyses held together by cartilage. Synovial Joint Structural. Articular capsule is one component of this type of joint. Synarthrosis Joint Functional. Immoveable joint. Amphiarthrosis Joint Functional. Slightly moveable joint. Diarthrosis Joint Functional. Freely moveable joint. Gliding Movement of flat bone surfaces back-and-forth or side-to-side in respect to one another Flexion Decrease in angle between articulating bones Extension Increase in angle between articulating bones Hyperextension Increase of extension beyond anatomical position Abduction Movement of bone away from midline Adduction Movement of a bone toward the midline Circumduction Movement of the distal end of a body part in a circle Rotation Movement of a bone around its own longitudinal axis This ligament of the knee joint extends from the medial femur to the medial tibia, strengthening the medial aspect of the joint Tibial collateral ligament Hemarthrosis can best be defined as Blood that has accumulated in a joint Which of the following is not an effective surgical repair for an ACL tear Suturing of torn ACL Which of the following tests could be performed on the sideline to assess a knee injury Lachman's test Graft options for repairing a torn ACL include Allograft, Hamstring, Patellar Tendon Athletic Trainer First response treatment and assessment Physical Therapist Strengthening knee joint before and after surgery Anesthesiologist Administers medications causing a loss of consciousness during surgery Radiology Technician Performs MRI scan for assessment of knee injury Surgical Technologist Prepares operating room and patient for surgery Radiologist Interprets results of diagnostic imaging examinations OR Nurse Selects and handles instruments and supplies used for the operation Orthopedic Surgeon Performs surgical repair of ACL tear Ligaments Attach bone to bone Tendons Attach muscle to bone Patellar Ligament Extends from the patella to the tibia. This ligament also strengthens the anterior surface of the joint. Oblique Popliteal Ligament Broad, flat ligament that extends from the femur to the tibia. The ligament and tendon strengthen and posterior surface of the joint. Arcuate Popliteal Ligament Extends from the lateral femur to the head of the fibula. It strengthens the lower lateral part of the posterior surface of the joint. Tibial Collateral Ligament Extends from the medial femur to the medial tibia. It strengthens the medial aspect of the joint. Fibular Collateral Ligament Extends from the lateral femur to the lateral side of the fibula. It strengthens the lateral aspect of the joint. Intracapsular Ligaments Ligaments within the capsule that connect the tibia and femur Anterior Cruciate Ligament (ACL) Limits hyperextension of the knee and prevents the anterior sliding of the tibia on the femur. Posterior Cruciate Ligament (PCL) Prevents the posterior sliding of the tibia when the knee is flexed. Interarticular Discs (Menisci) Two fibrocartilage discs between the tibia and femur help compensate for the irregular shapes of the bones and circulate synovial fluid Movements of the knee The knee joint allows flexion, extension, slight medial rotation, and lateral rotation of the leg in the flexed position What is the purpose of a field exam Determine if the athlete can be safely moved What are the responsibilities of a first responder at the scene of an athletic injury Recognizing a life-threatening condition, provide emergency care, facilitate transportation to a medical facility when indicated. Identify serious conditions promptly and guide further evaluation and treatment Location of the ACL In the center of the knee in the notch which is an opening shaped like an inverted U. Begins in the upper outer aspect of the knee and crosses obliquely across the knee. What is an MRI scan A diagnostic test that doesn't require x-rays it uses magnetism, radio waves, and a computer to produce images of soft tissues such as ligaments, the meniscus, and the articular cartilage What health professional would perform an MRI scan A radiology technician that specializes in MRI scanning What is an arthroscope A small fiber optic viewing instrument made up of a tiny lens, a light source, and video camera What are some advantages of arthroscopic surgery Very small incisions, which results in small scars. It makes it easier to examine, diagnose, and treat joint problems. The surgery is less extensive which means shorter recovery and less time in the hospital Describe the surgical method used to replace a torn ACL Small incisions are made in the knee where small tunnels are drilled in the bone so surgeons can place the new ACL and secure it. As it starts to heal the tunnels will fill in and secure the new ACL in place What is electrical muscle stimulation (EMS) Electric impulses stimulate the nerve axons signaling muscles to contract and relax How can EMS prevent or reduce muscle atrophy It increases blood flow to muscles, increases range of motion, increases muscle strength, and enhances muscle endurance Function of the articular capsule Unites the articulating bones What is the synovial cavity A space inside the articular capsule What is the function of synovial fluid Lubricates the joint and reduces friction between articulating bones What is the function of hyaline or fibrocartilage that covers the articulating surfaces It cushions, absorbs shock, reduces friction What movement occurs at the knee joint when the quadriceps femoris muscles contract The knee extends