Muscles

Question 1

How many muscles are in the body?

Answer 1

640

Question 2

Palmaris Longus

Answer 2

not everyone has this muscle; absent in %16 of caucasians

Question 3

Plantaris

Answer 3

absent in 7-20% human population

Question 4

Retinaculum

Answer 4

band around group of tendons

Question 5

aponeuroses

Answer 5

flat, sheet like tendon

Question 6

sheaths

Answer 6

modified bursa, wraps around tendon

Question 7

Development of Muscle 4th week

Answer 7

developed from myoblast

Question 8

Development of muscle 8th week

Answer 8

muscle differentiated and positioned

Question 9

Development of muscle 17th week

Answer 9

quickening fetal movement

Question 10

origin

Answer 10

attaches to stationary bone (proximal)

Question 11

insertion

Answer 11

attaches to movable bone (distal)

Question 12

synergistic

Answer 12

muscles that cross the same joint, contract together and have similar actions

Question 13

antagonistic

Answer 13

opposite functions, opposite sides

Question 14

Muscles that crosses on anterior side of joint produces

Answer 14

flexion

Question 15

Muscles that crosses on posterior side of joint produces

Answer 15

extension