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ng Company IE ASP in the Laboratory IEdition: 2 lag meadoaegmail.com IPrinted from www.chegg.com enan ng A&P; friend is on the basketball court when she suddenly hea a loud popping sound and hyperextends her knee. Wharlikely has happened? rs in the Laboratory What results would you see from the anterior drawer test? sd09 gmail.com d from-wawal.chagg-com 6 Meniscal tears are very common knee injuries. How could a torn meniscus affect the function of the knee joint? eopyright thortom Company Exploring A&P; in the Laboratory Edition: 2 ag mead099 gmail.com Printed from www.chogg com ght Morton Publishing Company ng A&P; in the Laboratory 09 gmail.com from www chegg comExplanation / Answer
A hyperextended knee injury occurs when the ligaments are stretched beyond their normal range of motion, resulting in a strain or even a tear in ligament tissue. A person who hyperextends his or her knee usually notices the injury immediately; an individual may feel a popping sensation and notice immediate pain and swelling.
The Anterior Drawer Test is a commonly used in orthopedic examinations to test for anterior cruciate ligament (ACL) integrity. This test is considered positive if there is a soft end feel to the translation of the tibia. A soft end feel / endpoint is indicative of secondary structures stopping the continued anterior translation of the tibia. Excessive anterior translation should also be noted. A hard/firm end feel will be felt when the ACL is intact and abruptly halts continued anterior translation. The positiveness of the test is determined by end feel and also by the amount of translation. The examiner should do the same test movement on the other leg as comparison. This is easy to do from the same starting position, seated on the subjects feet.
Non axial joints-These allow very limited movements.For eg.Intertarsal joints.
Uniaxial joint-Here the movement is restricted to only one axis.such as pivot or hinge joints.
Biaxial joints- A joint in which there are two principal axes of movement situated at right angles to each other. For eg, wrist.
Multiaxial joint-Ajoint in which movement occurs in a number of axes. Also called polyaxial joint.eg.hip joint.
7.C.Plane joints are also called as gliding joints.
8.b.In Pivot joint Rotation of one bone around another is achieved.
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