Tutor profile: Martin D.
Subject: Physical Therapy
Someone return from ACL reconstructive surgery. What lower body muscles are important to strengthen and why? What exercises could aid in the rehabilitation process?
The hamstring muscle group is important to strengthen since they help prevent the displacement of the tibia in relation to the femur. Exercises such as resistance band knee flexion, glute bridges can be incorporated in the rehabilitation process.
Subject: Health and Medicine
At the onset of exercise, someone experiences an increase in heart rate. Why?
The cardiac acceleratory center in the brain stimulates the sympathetic nervous system - resulting in epinephrine and norepinephrine being released to the SA node cell. This causes calcium, gates to open and a faster depolarization of the node and contractile cardiac cells.
What structure aids in preventing anterior displacement of the femur in relation to the tibia?
The anterior cruciate ligament (ACL)