Other things to know Flashcards
Snuff box
abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus
skeletal muscle
multinucleate, striated, voluntary movement, originate and insert into bone/skin/muscles
Cardiac muscle
uninucleated, striated, branched, intercalated discs) involuntary (ANS), ventricular and atrial walls of heart, centrally centered nuclei
smooth muscle
uninucleated, non-striated, arranged in sheets, involuntary, walls of visceral organs, skin, some or respiratory tract
Sarcomeres
create striations in skeletal muscle, H and I band shorten in contraction
support tendons distally of posterior forearm
extensor retinaculum
IT band
Iliotibial band
Thick sheet of CT
Helps support quadriceps femoris
iliopsoas
illiacus and psoas major
tendons of anterior compartment of leg are secured distally by
superior and inferior extensor retinaculum
pectoral girdle
trapezius, levator scapula, rhomboid major, rhomboid minor, latissimus dorsi
rotator cuff
supraspinatus, infraspinatus, teres minor, subscapularis
anterior forearm tendons are distally supported by
flexor retinaculum
gastrocnemius and soleus are anchored to
calcaneus by the calcaneal tendon
origin
least moving bone structure
insertion
more moving bone structure
tendon
collagen band that connects muscle to bone
aponeurosis
band of CT that more than 1 muscle inserts on
raphe
sheet of CTT that tendons or non-muscle insert on
Agonist
prime mover
synergist
helps agonist by stabilizing and adding more force
fixator
type of synergist, prevents movement of a joint to stabilize prime mover
antagonist
works against agonist