In which plane does less postural sway occur?

What is biomechanics?

You are assessing a patient’s upper extremity.  Unassisted range of motion is equal bilaterally and within normal limits.  During manual muscle testing of the biceps, you note the patient’s effort feels somewhat weak against resistance.  On the Oxford Scale, how would you rate this patient’s biceps’ strength?

For the same shoe size, which exerts less pressure on the ground: a snowshoe or an ice skate?  Assume the same amount of force is used.

What is the closed-packed position of the glenohumeral joint?

In the spine, how are facet joints classified?

About how much greater is the pressure in the low back when a patient is seated compared to standing?

A 13 year old male burns his right upper extremity with a firework.  An evaluation of the burn demonstrates blistering throughout the injured area, although the tissue still looks viable.  After debridement of the wound, it appears that the burn extends into the dermis, but not the hypodermis.  How would this burn be classified?

Which CMC joint is the most mobile, particularly in flexion and extension?

A 45 year old male, with no significant past medical history, presents with low back pain.  He denies numbness or tingling of the lower extremities or any issues with bowl or bladder function.  Exam reveals the L4 spinous process to the right of the midline and a prominent L4 transverse process on the left.  Which of the following best describes the lumbar vertebra rotation?