Experiment 4 gross anatomy of the muscular system

Lab 7 The Muscular System BIO201L Student Name: Click here to enter text. Kit Code (located on the lid of your lab kit): Click here to enter text. Pre-Lab Questions ”1. How do banding patterns change when a muscle contracts?” Click here to enter text. ”2. What is the difference between a muscle organ, a muscle fiber, myofibril and a myofilament? ” Click here to enter text. ”3. Outline the molecular mechanism for skeletal muscle contraction. At what point is ATP used and why? ” Click here to enter text. ”4. Explain why rigor mortis occurs. ” Click here to enter text. Experiment 1: Tendons and Ligaments Post-Lab Questions ”1. Label the arrows in the slide images below based on your observations from the experiment. ” A- Click here to enter text. B- Click here to enter text. C- Click here to enter text. D- Click here to enter text. E- Click here to enter text. F- Click here to enter text. Lab 7 The Muscular System BIO201L Lab 7 The Muscular System BIO201L ”2. How does the extra cellular matrix of connective tissues contribute to its function? ” Click here to enter text. ”3. Why are tendons and ligament tissues difficult to heal? ” Click here to enter text. ”4. What difference do you see between the tendon – muscle insertion image and the tendon image? ” Click here to enter text. ”5. What differences do you see between the tendon and ligament sections? ” Click here to enter text. Lab 7 The Muscular System BIO201L Experiment 2: The Neuromuscular Junction Post-Lab Questions ”1. Are there few or many nuclei at the end plate? ” Click here to enter text. ”2. What is a motor unit? ” Click here to enter text. ”3. How is a greater force generated (in terms or motor unit recruitment)? ” Click here to enter text. ”4. What types of sensors are present within the muscle to identify how much force is generated? ” Click here to enter text. Experiment 3: Muscle Fatigue Table 1: Experimental Counts Predicted Value Actual Value Trial 1 Trial 2 Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. Trial 3 Trial 4 Trial 5 Click here to Click here to Click here to enter text. enter text. enter text. Click here to Click here to Click here to enter text. enter text. enter text. Post-Lab Questions ”1. How did the predicted results compare to the actual results? ” Click here to enter text. ”2. Did you notice any changes in the number of repetitions you could perform, or how your hand felt after each of the trials? ” Click here to enter text. ”3. Explain the actions that were occurring at the cellular level to produce this movement. Include sources of energy and any possible effect of muscle fatigue. ” Click here to enter text. ”4. Hypothesize what would happen if blood flow was restricted to the hand when this experiment is performed. ” Click here to enter text. Lab 7 The Muscular System BIO201L Experiment 4: Gross Anatomy of the Muscular System Table 2: Gross Anatomy Data Movement Muscle(s) Activated Action(s) of Muscle(s) Click here to enter text. Click here to enter text. Click here to enter text. Click here to enter text. 3. Fingers Retracted (Step 1) Click here to enter text. Click here to enter text. 4.