Anatomy 1 Locate Those Muscles LU 11

Match the muscle to its location

Groups:

(a) Back muscles

,

(b) Chest muscles

,

(c) Forearm muscles

,

(d) arm muscles

• trapezius

• flexor digitorum superficialis

• pectoralis minor

• external oblique

• brachioradialis

• supinator

• coracobrachialis

• pronator teres

• biceps brachii

• brachialis

• latissimus dorsi

A muscle which acts to turn the palm of the hand anteriorly is called

• pronator

• supinator

• abductor

• adductor

Answer explanation

The muscle that turns the palm of the hand anteriorly is called the supinator. It contrasts with the pronator, which turns the palm posteriorly. Therefore, the correct answer is supinator.

The gluteal maximus muscle is the largest and heaviest muscle in the body

• True

• False

Answer explanation

True. The gluteal maximus is indeed the largest and heaviest muscle in the human body, playing a crucial role in movement and stability.

Which of the following is a muscle of the thigh?

• soleus

• sartorius

• psoas major

• anterior tibial

Answer explanation

The sartorius is a muscle located in the thigh, responsible for flexing the hip and knee. The soleus is in the calf, the psoas major is a hip flexor, and the anterior tibial is in the lower leg, making sartorius the correct choice.

The calcaneal tendon is the common tendon between which two muscle

• gastrocnemius & semitendonosis

• gastrocnemius & soleus

• soleus & semitendonosis

• semimembranosus & semitendonosis

Answer explanation

The calcaneal tendon, also known as the Achilles tendon, is formed by the gastrocnemius and soleus muscles. These two muscles work together to facilitate plantar flexion of the foot.

Which of the following is a muscle of the forearm?

• supinator

• brachialis

• triceps

• coaracobrachialis

Answer explanation

The supinator is a muscle located in the forearm that helps in supinating the forearm. The brachialis and triceps are muscles of the upper arm, while the coracobrachialis is located in the shoulder region.

The calcaneal tendon is also known as the​ (a)   it is the ​ (b)   tendon in the body as well as the ​ (c)   tendon. It is the common tendon between the ​ (d)   muscle and the soleus muscle.​

• achilles tendon

• strongest

• thickest

• gastrocnemius

• weakest

• thinnest

• posterior tibial

• semitendinosus

Answer explanation

The calcaneal tendon is commonly known as the achilles tendon, recognized as the strongest and thickest tendon in the body. It connects the gastrocnemius and soleus muscles, facilitating movement.

Which of the following is/are a muscle of the shoulder? check all that apply

• deltoid

• teres major

• psoas major

• omohyoid

• epicranius

Answer explanation

The deltoid and teres major are both muscles of the shoulder, responsible for arm movement. The psoas major is a hip muscle, the omohyoid is a neck muscle, and the epicranius is involved in facial expression.

Which of the following is a muscle of the arm?

• coaracobrachialis

• brachialradialis

• pronator teres

• flexor digitorum superficialis

Answer explanation

The coracobrachialis is a muscle of the arm that helps flex and adduct the shoulder. The other options, while related to the arm, are not classified as arm muscles.

How many opening are in the phrenic?

• 1

• 2

• 3

• 4

• 5

Answer explanation

The phrenic nerve has three openings: one for the diaphragm and two for the thoracic cavity. Therefore, the correct answer is 3.