Muscle Contraction: Power Stroke Process

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10 Questions

What could be a potential cause of limping mentioned in the text?

Septic arthritis

How can swelling in the muscle be described according to the text?

Stays the same size when muscle is contracted

What might be the cause of limb weakness according to the text?

Disuse atrophy

How can tenderness be graded according to the text?

I to V

What is a common cause of muscle weakness as stated in the text?

Muscular dystrophies

In examining a swelling, how is the anatomical plane decided according to the text?

By determining bone involvement

What should be checked to assess temperature as per the text?

Dorsum of the hand

'Difficulty or alteration in day-to-day activities' could include all of the following EXCEPT:

Talking

Which of the following conditions could cause a painless limp?

CDH

How is tenderness elicited according to the text?

By examining from normal to affected area

Learn about the power stroke in muscle contraction where the myosin head pivots and pulls the thin filament towards the center of the sarcomere, generating tension. Understand how the energy for this process is derived from ATP hydrolysis.

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