In regards to the Sliding Filament Theory, as the actin filament moves towards the gap in the sarcomere, what type of contraction is performed?

Observing bones #1 & #2 as pictured, the joint appears as a simple convex-concave relationship.  However, when you pick up either of these bones and look at the more proximal joint, you discover that each joint surface is both convex (in the anterior – posterior direction) and concave (in the medial – lateral direction).  What type of joint would this be?

Pt is a 46 YO F with a diagnosis of Osteopenia. Your supervising therapist has given weight bearing focused exercises in order to increase ___.

Generally speaking, a muscle can shorten to __ of its normal resting length. Upon excursion, the muscle can lengthen to ___ its original resting length. 

For the following match the part of the brain with its primary function(s).

Tension is…

Your supervising PT has asked that you use concentric isotonic strengthening activities. Which of these would be appropriate?

You begin working with a post-op TKA patient who lacks full extension. Gradually over a few treatments the patient begins to approach 0° of extension as the muscles gain a new (and greater) normal resting length. This functional characteristic of a muscle is referred to as…

When two PTAs assist a patient from a sitting to standing position by one standing in front, aiding under the arms and one standing behind assisting with trunk in the same direction, what type of forces are acting on the patient?

When working the biceps in an open kinetic chain the motion achieved is elbow flexion. What would be an example of biceps working in a closed kinetic chain?