Question

question 6
2 points
the psoas muscles originate in the
and insert into the lesser trochanter of the femur.
a manubrium
b transverse process of l1 - l5
c scapula
d mastoid process
e radial tuberosity

Explanation:

To solve this, we recall the anatomy of the psoas muscles. The psoas major (part of psoas muscles) originates from the transverse processes of the lumbar vertebrae (L1 - L5) and inserts into the lesser trochanter of the femur. Let's analyze each option:

• Option A: Manubrium is part of the sternum, not related to psoas origin.
• Option B: Transverse process of L1 - L5 is the correct origin of psoas muscles.
• Option C: Scapula is related to shoulder muscles, not psoas.
• Option D: Mastoid process is part of the skull, unrelated to psoas.
• Option E: Radial tuberosity is related to forearm muscles, not psoas.

Answer:

B. transverse process of L1-L5