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Transcript

Anatomy & Physiology

Skeletal Muscle Lab Report

November 13, 2015

Period 3

By: Lisa Reynoso

Expected Learning

Outcomes

Our expected learning outcomes will be to compare bird and human forelimb structure and relate structure to function. Second, well be able to identify skeletal muscle, fat, and connective tissues in a chicken wing. Lastly, ill be able to describe and demonstrate specific joint movements.

Materials

Materials we used for investigation:

Procedure

  • Chicken wing
  • Paper plate
  • Scissors
  • Gloves

Steps:

1. Examine chicken skeleton and human skeleton and identify the humerus, ulna, radius, carpal, metacarpal, and phalanges

2. Use scissors to cut the skin lengthwise to the joint between the upper wing and lower wing. Carefully peal the skin from the wing.

Cont..

Steps:

3. Remove the skin of the lower wing in the same way that you removed the skin from the upper wing

4. Observe the thin, transparent, shiny layer covering the muscles.

5. Carefully remove the tip of the scissors under the thin connective tissue and remove some of the connective tissue to expose the skeletal muscle tissue underneath

Cont..

6. Use the toothpick or dissecting needle to separate the muscles .

7. Straighten the chicken wing and hold it horizontally above the tray. Pull on each of the muscles and note the movement that each muscle causes

8. Bend and straighten the joint and observe how the bones fit together.

9. Identify several white tendons connecting muscle and bone in upper and lower wing muscle groups

10.Locate blood vessels between muscle bundles and bones

Data / Results

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