Adduction Occurs in a frontal plane Movement towards from the midline 5. The proximal attachment is the origin while the distal attachment is the insertion. A muscle usually inserts onto the bone by means of a tendon. When a muscle contracts, the distal attachment usually moves towards the origin. Movement of one bone upon another occurs at a joint.
Most muscles operate as third class levers.
The dark arrows indicate the direction of force. Name the major arteries supplying the limbs. Indicate the location of the major lymph nodes draining the limbs. Be able to differentiate between joints based upon the following features How the joints are connected Mobility of joints Shape B. Be able to distinguish between the types of muscle contractions Differentiate between eccentric and concentric contractions C.Know the different ways in which muscles can act. D. Be able to define the different types of movements that can occur as a result of muscle actions 1.