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DAA Muscles: Lecture Exam #2 Questions With Complete Solutions
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DAA Muscles: Lecture Exam #2 Questions With Complete Solutions
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DAA Muscles: Lecture Exam #2 QuestionsWith Complete Solutions
- posterior aspect of xiphoid process, lower 6 ribs, right crus
attaches to sides of 1st 3 lumbar vertebrae and associated IVD's
and left crus attaches to sides of bodies of first 2 lumbar
vertebrae and IVD's
- phrenic nerve, C3, 4, 5 Correct Answers diaphragm
- sternohyoid: manubrium to body of hyoid bone, C1-3
- sternothyroid: manubrium to thyroid cartilage, C1-3
- thyrohyoid: thyroid cartilage to greater cornu of hyoid bone,
C1-3
- omoyoid: superior border scapula to body of the hyoid bone,
C1-3 Correct Answers what are the infrahyoid muscles?
"elvis" muscle Correct Answers levator labii superioris
"pout" muscle Correct Answers depressor labii inferioris
"pucker" muscle Correct Answers orbicularis oris
1. semispinalis mm
2. multifidus mm
3. rotatores mm Correct Answers transversospinalis mm.
2 bellies-
origin: manubrium and clavicle
insertion: mastoid process of the temporal bone
,action: acting alone will tilt head to same side and rotate head to
opposite side, flexes neck, can extend head, and can draw head
forward, also involved in forced insipiration
CN XI, plus C 2,3 Correct Answers sternocleidomastoid
3 columns
function - extend and laterally flex the spine
- lateral column - iliocostalis
- intermediate column - longissimus
- medial column - spinalis
*low back pain Correct Answers erector spinae group (erect
the spine)
abduct the humerus Correct Answers deltoid, supraspinatus
abductor pollicis longus
extensor pollicis longus and brevis
flexor digitorum superficialis and profundus Correct Answers
what muscles are used to make the aggie hand sign?
abductor pollicis longus Correct Answers origin: posterior
surface of the radius and ulna and interosseous membrane
insertion: base of MC 1
action: abducts carpus and MC 1
nerve: radial nerve
adduct humerus Correct Answers teres major, pectoralis major,
latissimus dorsi, coracobrachialis
adductor magnus Correct Answers origin: inferior ramus of
pubis and ischium; ischial tuberosity
,insertion: gluteal tuberosity, linea aspera; hamstring portion
attaches to the adductor tubercle of the femur
action: adducts thigh; its adductor portion will flex the thigh
while the hamstring portion will extend the thigh
nerve: adductor portion obturator nerve (L2,3,4) and hamstring
portion is tibial nerve (L4,5,S1,2,3)
adductor, pectineus, gracilis Correct Answers which muscles
adduct the thigh?
all the extensor muscles Correct Answers what muscle extends
the carpus?
anatomic snuff box Correct Answers borders - tendons of
insertion of the:
- abductor pollicis longus - lateral (radial border)
- extensor pollicis brevis - lateral (radial border)
- extensor pollicis longus - medial (ulnar border)
significance -
- scaphoid (navicular) bone sits at base
- radial artery is visualized
anconeus Correct Answers origin: lateral epicondyle of the
humerus
insertion: olecranon of the ulna
action: extends elbow and abducts ulna during pronation
nerve: radius nerve (C5,6,7,8,T1)
anserine bursitis Correct Answers - pes anserine bursa can be
irritated if stress is placed on this area secondary to trauma to the
knee, overuse or poor machines
, - irritated with activities or athletics which requires cutting,
pivoting, kicking, squatting, or quick side to side movements
- also seen in middle aged, obese women
anterior, middle, and posterior scalene muscles Correct
Answers functions: flex neck, laterally flex neck, elevate rib
(1,2) during deep inspiration
ASIS to pubic tubercle, inferior aspect of external abdominal
oblique (poupart's ligament) Correct Answers inguinal
ligament
attachment Correct Answers where the muscle tendon blends
with the periosteum of a bone
balanced muscles maintain _____________________ Correct
Answers normal spinal curvature
biceps brachii Correct Answers origin: long head, short head
biceps brachii, brachialis, brachioradialis, pronator teres Correct
Answers muscles that flex the elbow
biceps brachii, coracobrachialis, pectoralis major, deltoid
Correct Answers muscles that flex the humerus
biceps femoris Correct Answers origin:
- long head: ischial tuberosity
- short head: lateral lip of distal 1/2 of linea aspera
insertion: head of the fibula and collateral ligament of knee
action:
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