Problem 13b
Mark the following statements as true or false. If the statement is false, correct it to make a true statement.
The latissimus dorsi muscle is a major abductor of the arm
Problem 13c
Mark the following statements as true or false. If the statement is false, correct it to make a true statement.
The rhomboid major and minor muscles retract the scapula.
Problem 13d
Mark the following statements as true or false. If the statement is false, correct it to make a true statement.
The deltoid muscle is a main abductor of the forearm.
Problem 14
Match the muscle with its main action:
______Biceps brachii muscle
______Pronator teres muscle
______Extensor digitorum muscle
______Brachialis muscle
______Triceps brachii muscle
______Flexor carpi radialis muscle.
a. Extends fingers and hand
b. Supinates forearm
c. Flexes hand
d. Extends forearm
e. Pronates forearm
f. Flexes forearm
Problem 15
Which of the following muscles flexes the thigh, but also laterally flexes the vertebral column when its origin and insertion switch?
a. Sartorius muscle
b. Psoas major muscle
c. Iliacus muscle
d. Rectus abdominis muscle
Problem 16
Match the muscle with its main action:
____Vastus medius muscle
____Gracilis muscle
____Gluteus medius muscle
____Gastrocnemius muscle
____Biceps femoris muscle
____Tibialis anterior muscle
a. Adducts thigh
b. Extends thigh and flexes leg
c. Plantarflexes foot
d. Abducts thigh
e. Dorsiflexes foot
f. Extends leg
Ch. 9 The Muscular System