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Muscles Test
Muscles, innervations, insertions
42
Anatomy
Professional
10/25/2007

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Cards

Term
Which n. innervates the suprascapular and infrascapular mm.?
Definition
suprascapular nn.
Term
Which mm. attach to the coracoid process?
Definition
pec minor, short head of biceps brachii, and coracobrachialis
Term
Which mm. insert on the anterior intertuburcular groove of the humerus?
Definition
pec. major
Term
The deltoid m. is innervated by what n.?
Definition
Axillary
Term
Where does the anconeus m. originate?
Definition
lateral epicondyle of the humerus
Term
Where does the long head of the triceps brachii originate from?
Definition
Infraglenoid tuubercle of the scapula.
Term
on the lateral border of the scapula, name all the mm. that attach here, going I -- S.  Remember, along the BORDER.
Definition
Latissimus dorsi, teres MAJOR, teres MINOR, and triceps brachii (long head).
Term
Which three mm. are the "thumbs up" mm.?
Definition

extensor pollicis longus m.

extensor pollicis brevis m.

abductor pollicis m.

All innervated by RADIAL n 

Term
why does a femur have a tuburcle?
Definition
so the adductur magnus m. can attach there.
Term
What m. attaches to the lesser trochanter of the femur?  
Definition
iliopsoas, iliacus, psoas
Term
which m. out of the quads is the only one that flexes the thigh?
Definition
rectus femorus
Term
which nerve innervates the quad mm.?
Definition
femoral
Term
all ______ mm. are EVERTers of the foot.
Definition
peroneus (also called fibularis)
Term
What nerve innervates the mm. that EVERT the foot?
Definition
superficial peroneal n.
Term
If a m. is on the lateral side of the leg, WIHOUT crossing the medial plane of the leg, it will probably _____ the foot.
Definition
EVERT
Term
If a m. starts out on the lateral side of the leg, and crosses the medial plane, it will probably ____ the foot.
Definition
INVERT
Term
(Looking at the leg from the side) If a m. is on the posterior side of the leg, and never crosses the talocrural jt., it will ____ ____ the foot.
Definition
Plantar Flex
Term
(Looking at the leg from the side) If a m. is on the anterior side of the leg, and crosses the talocrural jt., it will ____ the foot.
Definition
DORSIFLEX
Term
The medial longitudinal arch of the foot is supported by what m.?
Definition
Flexor hallucis longus m.
Term
The fleshy base of the thumb is called the _____ eminence, and is innervated by the ____ nerve.
Definition

Thenar;

Median 

Term
The fleshy base on the palm at the base of the pinky is called the ______ eminence, and is innervated by the ____ nerve.
Definition

Hypothenar;

Ulnar 

Term
What are the "ninja chop" mm?
Definition

Extensor carpi ulnaris, and

Flexor Carpi Ulnaris

...they both ADDUCT the hand. 

Term
What are two landmarks to identifying whether a tibia is a right or a left tibia?
Definition

MED. MALLEOLUS, on the medial side;and

TIBIAL TUBEROSITY 

Term
What is the landmark to tell whether a fibula is a R or a L?
Definition

LAT. MALLEOLUS

...will point towards heel.(calcaneous

Term
If your knee is extended and you suffer a blow to it, you will probably tear your ____ _____ _____.
Definition

ACL

...remember EA sports (Extended Acl is torn) 

Term
The iliotibial tract inserts on what tuburcle?
Definition
Gerdy's
Term
One unique m of the leg, b/c it has dual origen and insertion, and dual innervation is the _____ _____ m.
Definition
ADDuctor Magnus
Term
Of the four quadriceps femoris mm, which is the only one that FLEXES the thigh/femur/leg?
Definition
RECTUS FEMORIS
Term
ALL quadriceps femoris mm _____ the knee.
Definition
EXTEND
Term
If only one of the femoral nerves was cut, it is possible that one could still ___ the knee.
Definition
EXTEND
Term
T of F: It is still possible to stand erect if BOTH of a person's femoral nerves have been cut.
Definition

FALSE!

...no extension of the knee is possible. 

Term
How many "biceps" mm are there, and where are they found?
Definition

Biceps brachii-arm

Biceps femoris -- posterior part of the thigh, on of hamstring mm 

Term
Where is the common place that all three of the hamstring mm insert?
Definition
ISCHIAL TUBEROSITY
Term
Where do the 2 heads of the BICEPS FEMORIS m insert?
Definition
HEAD O' FIBULA
Term
On the biceps femoris, which head laterall rotates the thigh/leg/hip?
Definition

LONG

...think LL (Lateral rot., Long head) 

Term
Which hamstring mm MEDIALLY rot.'s the thigh?
Definition

SEMITENDINOSUS, and 

SEMIMEMBRANOSUS 

Term
What nerve innervates all 3 mm of the hamstrings?
Definition

TIBIAL N

...of the sciatic n 

Term
All 2 hamstring mm ____ kneee and ____ thigh.
Definition

FLEX KNEEE

EXTEND THIGH 

Term
Which head of the biceps femoris is innervated by the COMMON PERONEAL n?
Definition

SHORT HEAD,

...think PS (Peroneal=Short head of biceps femoris) 

Term
The short head of the BICEPS FEMORIS is innervated by the ______ ______ n.
Definition
COMMON PERONEAL
Term
Almost all mm of the POSTERIOR THIGH are innervated by the ______ n.                                        
Definition
TIBIAL
Term
What three mm insert at the tibial tuberosity to form the PES ANSERINUS?
Definition
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