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  1. USMLE Step 1 Forum
    So how does hitting a patella tendon stimulates the muscle spindle activated by increase in muscle stretch? I mean just hitting the patella tendon with a reflex hammer, I don't think will result in the muscle stretch, right? What am I missing here? Thank you.
  2. USMLE Step 1 Forum
    A 24-year-old baseball player visits his doctor with complaints of right arm pain. On questioning, he states that it has hurt for several weeks but he has been ignoring it, attributing to muscle strain. Radiographic examination demonstrates an expansile, lytic proximal right humeral epiphyseal...
  3. USMLE Step 1 Forum
    osteoarthritis,rheumatoid arthritis , reactive arthritis,gout, tophi.. how will you differentiate them
  4. USMLE Step 1 Forum
    Can you label the Carpal Bones from A to H in this figure click image to enlarge
  5. USMLE Step 1 Forum
    goljan sas decrease in bone mineralization in osteoporosis vs First aid 2012 which says normal mineralization... which is correct?
  6. USMLE Step 1 Forum
    "A 15 year old girl begins a strengthening program after spraining her knee while playing basketball. Exercise of which of the following muscles will be most helpful in regaining fullest function" I think some of the answer choices were A) adductor longus B) adductor magnus C) pectineus D)...
  7. USMLE Step 1 Forum
    If someone tears their achilles tendon, what foot motion will they still be able to do? Thanks
  8. USMLE Step 1 Forum
    Hello everyone! I'm having a terrible time with the secondary messengers and their effects on muscle contraction, specifically their role in contractions in the different types (smooth, skeletal, cardiac). 1. Could someone please explain the roles and onward cascades of cAMP and cGMP in smooth...
  9. USMLE Step 1 Forum
    plz anyone explain mechanism of skeletal muscle contraction and ATP
  10. USMLE Step 1 Forum
    A 3 year old boy is brought to the ER by his mother because of severe pain in the right leg after he fell from the porch 30 minutes ago. He has a 6 month history of intermittent pain in his legs at night. His mother adds that he cannot keep up with his peers on the playground. Evaluation shows a...
  11. USMLE Step 1 Forum
    Can someone please help me to label the rest of this picture? Thank you. A. B. C. D. Anterior cruciate ligament E. Posterior cruciate ligament
  12. USMLE Step 1 Forum
    Guys i need your help.. If u have tym please tell me that how can i remember which muscles are innervated by which nerves and ther functions in case of upper and lower limbs..
  13. USMLE Step 1 Forum
    A 24-yr old man presents with pain in his right wrist that resulted when he fell hard oh his outstrecthed hand. Radiographic studies indicate an anterior dislocation of a proximal row carpal bone that articulates with the most lateral proximal row carpal bone. Which of the following bone was...
  14. USMLE Step 1 Forum
    Two 23 yo identical twin women are members of the track team at their community college. One twin runs the marathon, while the other twin runs the 100-yard dash. A comparison of the leg muscles of these two young women would most likely show which of the following? A. Little difference because...
  15. USMLE Step 1 Forum
    A 75-year-old woman trips on the carpet in her home and falls to the floor. She immediately has marked pain in the right hip. On physical examination, there is shortening of the right leg and marked pain with any movement. A radiograph shows a right femoral neck fracture. The fracture is...
  16. USMLE Step 1 Forum
    A 50 year old female presents to her doctor with right knee pain. The X ray is shown below. What is the most likely diagnosis: A) Rheumatoid arthritis B) Gout C) Pseudogout D) Sjogren syndrome E) Sistemic lupus erythematosus F) Infectious arthritis G) Ankylosing spondylitis click image to enlarge
  17. USMLE Step 1 Forum
    Hey guys, I always thought i understand this when i read but when i do question i get lost. Can anyone give me a brief picture about this- Osteoid, osteoid matrix (is it same as bone matrix?) wiki say "osteoid is unmineralized, organic portion of bone matrix. but it also say defective...
  18. USMLE Step 1 Forum
    A 75-year-old woman has experienced increasing pain in the back, right chest, left shoulder, and left upper thigh for the past 6 months. The pain is dull but constant. She has now developed a sudden, severe, sharp pain in the left thigh. On physical examination, she is afebrile. She has intense...
  19. USMLE Step 1 Forum
    An 18-year-old man sees the physician because he has had pain around the right knee for the past 3 months. There are no physical findings except for local pain over the area of the distal right femur. A radiograph of the right leg shows an ill-defined mass involving the metaphyseal area of the...
  20. USMLE Step 1 Forum
    Which of the following cartilage/cartilaginous bones are devoid of perichondrium? a) ear pinna b) cricoid cartilage c) knee menisci d) epiphyseal cartilage e) eustachian tube f) articular cartilage has 2 answers in it
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