Each label describes one of the three classes of levers. Drag each label to the appropriate...

Question

Question

Each label describes one of the three classes of levers. Drag each label to the appropriate lever image. Third-class lever El

Answer 1

Answer #1

Picture 1 : (top picture)

1. First class lever ( fulcrum in-between load and effort)

2. Resistance-fulcrum-force

3. Extension of the head by erector spinae muscles

Picture 2: (middle picture)

1. Second class lever

2. Fulcrum-resistance-force

3. Standing on the toes by gastrocnemius

Picture 3 : (bottom picture)

1. Third class lever

2. Resistance-force-fulcrum

3. Elbow flexion by biceps brachii

Answer 2

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