Asked by Bailee Yarbrough on May 27, 2024
Verified
How many points of origin does the triceps brachii have?
A) four
B) one
C) three
D) two
Triceps Brachii
A major muscle of the upper arm responsible for extension of the elbow joint, consisting of three heads (long, lateral, and medial).
Points of Origin
Specific locations on bones from where muscles arise, serving as anchor points for muscle attachment in the skeletal system.
- Understand the origin, insertion, and functional roles of various muscles in both humans and animals.
Verified Answer
AA
Ashley AttkissonMay 30, 2024
Final Answer :
C
Explanation :
The triceps brachii muscle has three points of origin: the infraglenoid tubercle of the scapula, the humerus, and the posterior surface of the radial groove of the humerus.
Learning Objectives
- Understand the origin, insertion, and functional roles of various muscles in both humans and animals.