Arrangement of fascicles

Question 1

Parallel fascicle definition and example

Answer 1

• Fascicles run parallel to the long axis of the muscle
• Sartorius rectus abdominis

Question 2

Fusiform fascicle definition and example

Answer 2

• Spindle-shaped and tapering at both ends
• Biceps brachii

Question 3

Unipennate fascicle definition and example

Answer 3

• Pennate fascicle that attaches obliquely to tendon all on one side
• Extensor digitorum longum

Question 4

Bipennate fascicle definition and example

Answer 4

• Fascicles on opposite sides of central tendon
• Rectus femoris

Question 5

Multipennate fascicle definition and example

Answer 5

• Diagonal muscle fibres are in multiple rows with central tendon branching into two or more tendons
• Musculus multipennatus

Question 6

Convergent fascicle definition and example

Answer 6

• Origin of muscle is wider than insertion
• Pectoralis major

Question 7

Circular fascicle definition and example

Answer 7

• Muscle layer encircling body between epidermis and longitudinal muscle layer
• Sphincter pupillae

Question 8

Answer 8

a - bone

b - epimysium

c - perimysium

d - blood vessel

e - muscle fibre

f - fascicle

g - tendon

h - endomysium