B2 Upper Intermediate English 5:47 654 words Educational

How does leg lengthening surgery work? - Jason Shih Hoellwarth

TED-Ed · 301,411 views · Added 5 hours ago

Learning Stats

B2

CEFR Level

654

Total Words

345

Unique Words

6/10

Difficulty

Vocabulary Diversity 53%

Subtitles (79 segments)

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00:06

Ever since she can remember, Penny's legs have been to different lengths.

00:12

Initially, the discrepancy was small enough to ignore,

00:15

and later it could be fixed with shoe lifts.

00:18

But this difference only increased over time,

00:21

and after years of difficulty walking and misalignments in posture,

00:26

she's now dealing with scoliosis alongside chronic back and joint pain.

00:33

Penny is far from the only person with this problem.

00:37

Differences in leg length can emerge for various reasons,

Full subtitles available in the video player

Key Vocabulary (20)

cut A1 verb

To use a sharp tool like a knife, scissors, or a blade to divide something into pieces or to remove a part. It can also mean to reduce the amount, size, or duration of something.

break A1 verb

To separate into pieces suddenly or violently, especially as a result of a blow or shock. It also refers to a device or machine stopping its function or failing to follow a rule.

pull A1 verb

To move something toward yourself or in the direction you are moving by using force. It is the opposite of pushing and is a fundamental action used in daily life to open doors or move objects.

several A1 determiner

More than two but not a very large number. It is used to describe a small group of items or people that are separate and distinct from each other.

tissue B2 noun

Tissue refers to a group of similar cells that work together to perform a specific function within a living organism. It also describes a thin, soft, and absorbent piece of disposable paper used for personal hygiene, such as wiping the nose or eyes.

bone B2 noun

A bone is any of the hard, rigid parts that form the skeleton of a vertebrate animal, primarily composed of calcium carbonate and calcium phosphate. In an academic context, it refers to the structural tissue that supports the body, protects internal organs, and produces blood cells.

surgery A1 noun

A medical treatment in which a doctor cuts into someone's body to repair, remove, or replace a damaged part. It is usually performed in a hospital setting while the patient is under anesthesia.

"The surgery is important."

surgeon A1 noun

A surgeon is a specially trained doctor who performs operations on patients. They use tools to cut into the body to repair damage, remove diseased parts, or improve health.

fracture A1 noun

A fracture is a crack or a break in something hard, especially a bone. It happens when a strong force is put on the bone, causing it to split or shatter.

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