Chapter 11 – Study Guide

 

GENERAL THEORETICAL PRINCIPLES

 

origin

insertion

belly

mechanical advantage

mechanical disadvantage

how much do muscles shorten during contraction? (to 70% of resting length)

what is most closely related to range of motion? (fiber length or cross-sectional area of muscle?)

what is most closely related to power? (fiber length or cross-sectional area of muscle?)

agonist or prime mover

antagonist

synergist

fixator

compartment

compartment syndrome

fascicle

 

MUSCLES – PART A – (see picture handout)

 

deltoid                                    triceps brachii                       gluteus maximus                   semimembranosus (part of hamstrings)

coracobrachialis                   brachialis                               psoas major                           semitendinosus      (part of hamstrings)

latissimus dorsi                    biceps brachii                       iliacus                                     biceps femoris        (part of hamstrings)

teres major                             supinator                               adductor longus                   rectus femoris         (part of quadriceps femoris)

supraspinatus                       pronator teres                       gluteus medius                     vastus medialis       (part of quadriceps femoris)

pectoralis major                    pronator quadratus                                                              vastus lateralis        (part of quadriceps femoris)

                                                                                                                                                vastus intermedius  (part of quadriceps femoris)

 

MUSCLES – PART B – (see picture handout)

 

occipital frontalis                                 superior rectus                     diaphragm            

orbicularis oculi                                    inferior rectus                       rectus abdominis

orbicularis oris                                      medial rectus                         external oblique

zygomaticus major                               lateral rectus                         internal oblique   

depressor anguli oris                           inferior oblique                     transversus abdominis

temporalis                                              superior oblique                   levator ani

masseter                                                                                                external anal sphincter

sternocleidomastoid                                                                            gastrocnemius     

trapezius