Advanced Anatomy Lab 9 : Muscles and structures Exam Questions
and Answers With complete solution–Expert Verified | Latest
Questions 2025
What are the attachments of levator ani?: Posterior surface of pubic body, tendinous arch of
obturator fascia, and coccyx and anococcygeal ligament
What are the actions of levator ani?: Helps maintain feca continence and support pelvic viscera
and resist increases in intra-abdominal pressure
What are the innervations of levator ani?: Nerve to levator ani and inferior rectal nerve
What are the attachments of the coccygeus muscle?: Ischial spine and coccyx and sacrum
What are the actions of coccygeus?: Support pelvic viscera and resist increases in intra-abdominal
pressure
What is the innervation of coccygeus?: S4 and S5 anterior rami
Urinary bladder: Muscular sac that can distend to hold up to 1L of urine
Detrusor muscle: The smooth muscle of the urinary bladder
Where does the bladder lie when empty?: Within the lesser pelvis posterior to the pubic bones
and Answers With complete solution–Expert Verified | Latest
Questions 2025
What are the attachments of levator ani?: Posterior surface of pubic body, tendinous arch of
obturator fascia, and coccyx and anococcygeal ligament
What are the actions of levator ani?: Helps maintain feca continence and support pelvic viscera
and resist increases in intra-abdominal pressure
What are the innervations of levator ani?: Nerve to levator ani and inferior rectal nerve
What are the attachments of the coccygeus muscle?: Ischial spine and coccyx and sacrum
What are the actions of coccygeus?: Support pelvic viscera and resist increases in intra-abdominal
pressure
What is the innervation of coccygeus?: S4 and S5 anterior rami
Urinary bladder: Muscular sac that can distend to hold up to 1L of urine
Detrusor muscle: The smooth muscle of the urinary bladder
Where does the bladder lie when empty?: Within the lesser pelvis posterior to the pubic bones
