MUSCLE ARCHITECTURE, FUNCTION AND CONTRACTION

Question 1

Example of first- class lever

Answer 1

head tilt (flex and extend)

Question 2

Example of second-class lever

Answer 2

contraction of calf

Question 3

Example of third-class lever

Answer 3

Bicep curls

Question 4

Types of fascicle arrangements

Answer 4

Circular
Parallel
Convergent
Pennate: uni, bi, multi

Question 5

Example of circular muscle

Answer 5

eyes- orbicularis

Question 6

Example of parallel muscle

Answer 6

external oblique

Question 7

example of convergent muscle

Answer 7

pec major

Question 8

example of unipennate

Answer 8

extensor digitorum longus

Question 9

example of bipennate

Answer 9

rectus femoris

Question 10

example of multipennate

Answer 10

deltoid

Question 11

What is scapulohumeral rhythm

Answer 11

the combined movement of the scapula and humerus

Question 12

which muscles stabilize the scapula ?

Answer 12

Trapezius
Serratus Anterior

Question 13

Which nerve affects the serratus anterior causing paralysis?

Answer 13

Long thoracic nerve

Question 14

Suprascapular Nerve Entrapment

Answer 14

nerve passes throug suprascapular notch and supplies the supraspinatus and infraspiantus muscles.

Caused by extreme scapular motion ( overhead movement) with throwing action

Poorly localized pain and muscular weakness