This muscle is:
Anonymous Quiz
91%
Pectoralis major
3%
Pectoralis minor
2%
Subclavius
3%
Serratus anterior
All of the following are muscles of pectoral region, EXCEPT:
Anonymous Quiz
2%
Pectoralis major
1%
Pectoralis minor
5%
Subclavius
9%
Serratus anterior
84%
Trapezius
NOTE: Serratus anterior is not a muscle of pectoral region but
grouped with pectoral muscles for convenience of study and surgical
significance.
grouped with pectoral muscles for convenience of study and surgical
significance.
❤4
the largest muscle of the pectoral region:
Anonymous Quiz
87%
Pectoralis major
4%
Pectoralis minor
0%
Subclavius
9%
Serratus anterior
Pectoralis major and pectoralis minor muscles share in:
Anonymous Quiz
8%
Origin
4%
Insertion
82%
Nerve supply
6%
Action
Originates at costal cartilages of ribs 3-5. Inserts on medial border of coracoid process of Scapula.
Anonymous Quiz
8%
Pectoralis major.
77%
Pectoralis minor.
10%
Subclavius.
6%
ECU (Extensor Carpi Ulnaris).
❤2
Origin of Pectoralis major:
Anonymous Quiz
16%
Flexion, adduction, medial rotation of humerus.
9%
Medial half of anterior clavicle to the IT groove.
8%
Muscle fibers form bliaminar tendon: lateral lip of the inter tubercular groove of the humerus.
67%
Two heads of origin: clavicular head and sterno-costal head.
About pectoralis major which is false:
Anonymous Quiz
14%
is innervated by medial and lateral pectoral nerves.
62%
inserts into the medial lip of the intertubercular sulcus.
11%
can act as an accessory muscle of inspiration.
13%
acts with latissimus dorsi to draw the body upwards.
👍1
The nerve supply of pectoralis minor is from the:
Anonymous Quiz
85%
Medial pectoral nerve.
3%
thoracodorsal nerve.
7%
axillary nerve.
2%
long thoracic nerve.
3%
dorsal scapular nerve.
👍5
The structures present on the front of the upper of the wall chest means:
Anonymous Quiz
87%
Pectoral region
5%
Arm region
8%
Shoulder region
The most superficial muscle in the pectoral region:
Anonymous Quiz
8%
Pectoralis minor.
86%
Pectoralis major.
6%
Trapezius.
The insertion of pectoralis major is:
Anonymous Quiz
4%
iliac crest.
94%
Lateral lip of the bicipital groove of the humerus.
2%
The base of the mandible.
The interior surface of this bone is the origin of:
Anonymous Quiz
84%
Sternocostal head of pectoralis major
9%
Clavicular head of the pectoralis major
7%
Pectoralis minor
The innervation of this muscle is:
Anonymous Quiz
1%
Ulnar nerve.
9%
Medial pectoral nerve.
2%
Median nerve.
87%
Medial and lateral pectoral nerves.