In which position are the hamstrings potentially actively insufficient?

What is the origin of the Hamstring muscles?

Patient is short sitting on a plinth with the legs over the side of the table. The therapist places a 10 pound weight on the ankle. The therapist lifts the leg to passively extend the knee (starting position shown in the picture below) and then asks the patient to slowly lower the leg back to a resting position. Which contraction is occurring as the leg is lowered?  

The trunk muscle whose primary function is compression of abdominal contents is which of the following?

A person is unable to extend the hip with the knee flexed but can extend the hip with the knee is fully extended. Which of the following muscles would you expect to be weak?

BONUS QUESTION (5-POINTS): Work must be submitted to gain full credit. Titration: Calculate the pH at the equivalence point when 0.420 M HOCl is titrated with 0.350 M KOH. (pKa is 7.54)  (Do not round between steps. Round final answer to 3 sig figs and place in the box below. Work must be submitted to gain full credit for this problem).

what is an adult horse’s average respiration? 

What is an adult horse’s average Pulse?

If the government increases spending by $100 million and the economy has a multiplier of 4, what will likely happen according to Keynesian theory?

Suzie is a 10 year old girl who has been having trouble at school for the past two years.  She was diagnosed with ADHD last year, though has not been treated with medication, because her mother is against it.  She has been getting in trouble being disruptive in class. She has recently been staying at home more, playing with her siblings and not going out as much.  She had an argument with a peer and  was excluded from a sleepover party.  Her teacher noticed a change in her behavior at school, and recommended a psychiatric evaluation.  Her sleep and appetite are good, her presenting problems are academic failure and a dysphoric mood.  Which is the best potential case formulation or diagnostic consideration?