Pectoral Muscles and Their Innervation

What is the main topic discussed in this video?

• The anatomy of the heart

• The structure of the brain

• The function of the liver

• The innervation of pectoral muscles

What is the purpose of the video series mentioned in the introduction?

• To discuss philosophical theories

• To explore historical events

• To teach advanced mathematics

• To make biology fun

Which nerves innervate the pectoralis major muscle?

• Femoral and sciatic nerves

• Ulnar and median nerves

• Axillary and radial nerves

• Lateral and medial pectoral nerves

What mnemonic is used to remember the innervation of the pectoralis minor?

• L for lateral, M for medial

• L for less, M for more

• A for anterior, P for posterior

• S for superior, I for inferior

Which nerve innervates the subclavius muscle?

• Lateral pectoral nerve

• Medial pectoral nerve

• Nerve to subclavius

• Long thoracic nerve

From which part of the brachial plexus does the nerve to subclavius originate?

• Inferior trunk

• Superior trunk

• Medial cord

• Lateral cord

Which nerve is responsible for innervating the serratus anterior muscle?

• Ulnar nerve

• Axillary nerve

• Radial nerve

• Long thoracic nerve

What mnemonic helps remember the roots of the long thoracic nerve?

• C5, C6, C7, Raise Your Wings to Heaven

• C1, C2, C3, Fly Like a Bee

• L1, L2, L3, Jump with Glee

• T1, T2, T3, Climb a Tree

What action is associated with the serratus anterior muscle?

• Adduction of the hip

• Flexion of the elbow

• Extension of the knee

• Upward rotation of the scapula

Which nerve is not involved in the innervation of the pectoral muscles?

• Long thoracic nerve

• Nerve to subclavius

• Medial pectoral nerve

• Lateral pectoral nerve