Shared Flashcard Set

Details

Muscle movements & arm/leg muscle functions
movements & functions of arm & leg muscles
62
Physiology
12th Grade
02/14/2012

Additional Physiology Flashcards

 


 

Cards

Term
Origins of biceps brachii
Definition
coracoid process & glenoid fossa
Term
Insertion of biceps brachii
Definition
radial tuberosity
Term
Funcion of biceps brachii
Definition
flexes & supinate forearm at elbow, flexes are at shoulder joint
Term
Origins of triceps brachii
Definition
scapuls, posterior shaft of humerus (2)
Term
Insertion of triceps brachii
Definition
olecranon process of ulna
Term
Triceps function
Definition
extends forearm at elbow
Term
Function of flexor carpi radialis
Definition
flexes & abducts hand at wrist
Term
Function of flexor carpi ulnaris
Definition
flexes & adducts hand at wrist
Term
Function of flexor digitorum superficialis
Definition
flexes hand at wrist & flexes phalanges
Term
Function of brachioradialis
Definition
flexes forearm
Term
Function of extensor carpi radialis longus
Definition
extends & abducts hand at wrist
Term
Function of extensor carpi ulnaris
Definition
extends & adducts hand at wrist
Term
Function of extensor digitorum
Definition
extends hand at wrist & extend phalanges
Term
Origin of extensor digitorum
Definition
humerus
Term
Insertion of extensor digitorum
Definition
2nd - 5th phalanges
Term
Origins of biceps femoris
Definition
ischium & femur
Term
Insertions of biceps femoris
Definition
tibia & fibula
Term
Funtion of biceps femoris
Definition
extends thigh at hip & flexes knee
Term
Function of sartorius
Definition
flexes leg at knee, abducts leg at hip, laterally rotates leg at hip to cross legs
Term
Function of tensor fasciae latae
Definition
flexes & abducts thigh at hip, steadies knee/trunk on thigh
Term
Function of gracilis
Definition
adducts & medially rotates leg at hip, flexes leg at knee, used in walking
Term
Function of semitendinosus
Definition
extends thigh at hip, flexes knee
Term
Function of semimembranosus
Definition
extends thigh at hip, flexes knee
Term
Which muscles do the hamstrings include?
Definition
biceps femoris, semitendinosus, semimembranosus
Term
Name the 4 heads of the quadriceps femoris group
Definition
rectus femoris, vastus lateralis, vastus medialis, vastus intermedius
Term
Origin of rectus femoris
Definition
ilium
Term
Insertions of rectus femoris
Definition
patella & tibial tuberosity
Term
Function of rectus femoris
Definition
extends leg at knee, flexes leg at hip
Term
Origin of vastus lateralis
Definition
femur
Term
Insertion of vastus lateralis
Definition
patella & tibial tuberosity
Term
Function of vastus lateralis, vastus medialis & vastus intermedius
Definition
extends leg at knee
Term
Origin of gastrocnemius
Definition
femur
Term
Insertion of gastrocnemius
Definition
calcaneus
Term
Function of gastrocnemius
Definition
plantar flexes foot, flexes leg at knee joint
Term
Function of soleus
Definition
plantar flexes foot
Term
Function of flexor digitorum longus
Definition
plantar flexes foot, flexes toes
Term
Function of digitorum longus
Definition
dorsiflexes & evert foot, extends toes
Term
Function of tibialis anterior
Definition
dorsiflexes & inverts foot
Term
Define tendon
Definition
dense cord of connective tissue, attaches muscles to bones
Term
Define belly of the muscle
Definition
fleshy portion between insertion & tendons
Term
Define origin
Definition
attachment of a muscle by a tendon to the stationary bone
Term
Define insertion
Definition
attachments of a muscle by a tendon to the moveable bone (usually more distal than origin)
Term
Define prime mover (agonist)
Definition
muscle that causes a desired action
Term
Define antagonist
Definition
muscle that relaxes while prime mover contracts
Term
Give an example of a muscle pair (prime mover & antagonist)
Definition
biceps brachii & triceps brachii
Term
Define gliding & give an example
Definition
flat bone surface moves back & forth & side to side
ex: moving hand at wrist
Term
Define & give an example of extension
Definition
increases angle, often gets you back to anatomical position
ex: moving arms from out in front of you to your sides
Term
Define & give an example of flexion
Definition
decreases angle between articulating bones
ex: bringing hands from anatomical position to out in front of you
Term
Define & give an example of hyperextension
Definition
continuation of extension beyond anatomical position
ex: moving arms from anatomical position to behind you
Term
Define & give an example of elevation
Definition
upward movement of part of body
ex: shrugging shoulders
Term
Define & give an example of depression
Definition
downward movement of part of body
ex: dropping jaw open
Term
Define & give an example of rotation
Definition
bone revolves around its own longitudinal axis
ex: turning head from side to side
Term
Define & give an example of protraction
Definition
movement of a part of the body forward ex: pushing jaw out
Term
Define & give an example of retraction
Definition
movement of a protracted part of the body back to anatomical position ex: moving jaw that is pushed out back to "normal"
Term
Define & give an example of inversion
Definition
movement of soles of feet inward ex: standing on the outsides of your feet
Term
Define & give an example of eversion
Definition
movement of the soles of feet laterally
ex: facing soles away from each other
Term
Define & give an example of dorsiflexsion
Definition
bending of foot up ex: standing on heels
Term
Define & give an example of plantar flexion
Definition
bending the foot down ex: pointing toes
Term
Define supination
Definition
movement of forearm so palm is facing forward or upward
Term
Define pronation
Definition
movement of foreard so palm is turned backward or downward
Term
Name 2 factors used to name muscles
Definition
size, shape, action/function, orientation to midline, location
Term
What happens when the hamstring is injured?
Definition
hematoma, bruising, tearing of tendons
Supporting users have an ad free experience!