The trapezius and muscle that affect the neck -- The deltoid -- The rotator cuff and what truly controls the shoulder -- The triceps and its role in shoulder stability -- Biceps and its role in the shoulder -- The forearm and hand muscles: what is their role? -- The gluteal muscles and what is their role and function? -- The hip abductors, adductors and rotators -- The quadriceps and hamstrings -- The gastrocnemius/soleus and fibularis longus and brevis muscles -- Review of spinal anatomy -- The lumbar spine muscles and their function -- Core muscle function.