Knee Injuries

What is the onset type of an ACL tear?

• Chronic

• Gradual

• Acute

• Delayed

Which injury is associated with a "pop" sensation?

• MCL tear

• meniscus tear

• ACL tear

• PCL tear

Which of the following is a noncontact mechanism of injury (MOI) for an ACL tear?

• Rotation on the knee while foot is fixed (plant & twist)

• direct blow to tibia

• valgus stress

• varus stress

What is a predisposing factor for an ACL tear?

• grass

• Turf

• tendoinitis

• dirt

What is a common symptom observed during the inspection of an isolated ACL injury?

• No visible symptoms

• Bruising around the ankle

• Rapid swelling, often above patella

• Discoloration of the skin

During palpation of an isolated ACL injury, is pain normally reported?

• Yes, severe pain is reported

• Yes, but only mild pain is reported

• No, pain is not normally reported

• Pain is only reported with additional injuries

What is experienced during AROM (Active Range of Motion) in an ACL injury?

• No pain or swelling

• Pain and swelling limit motion, pain most at end range

• Full range of motion without pain

• Constant pain regardless of motion

What is indicated by PROM (Passive Range of Motion) in an ACL injury?

• Pain only at the start of motion

• No pain throughout the range of motion

• Pain throughout the range of motion

• Pain only when the knee is fully extended

What might be observed during MMT (Manual Muscle Testing) for an ACL injury?

• No pain or limitation during flexion & extension

• Pain or limitation during flexion & extension, pain or weakness during hamstring MMT

• Only weakness during hamstring MMT

• Only pain during flexion, no limitation or weakness

Which special tests are mentioned for an ACL tear?

• McMurray's Test and Pivot Shift Test

• Lachman's Test and Anterior Drawer

• Thompson Test and Valgus Stress Test

• Apprehension Test and Compression Test