1. Several muscles are listed with their actions or locations described. 2. Multiple choice questions are asked about muscle origins, insertions, actions and anatomical relationships. 3. Key terms related to muscle contraction such as cross-bridge formation and the motor neuron releasing neurotransmitters are tested.

1. The extend the vertebral column. erector spinje group external obligues al choices are correct
rectus jbdominis
Which statement is TRUE? The palmaris longus extends the digits and is located on the posterior
forearm. The extensor hallucis longus is a deep posterior leg muscle which dorsi-flexes. The
powerstroke is the release of actin from myosin The long and short head of the biceps femoris
are located on the posterior thigh and flex the knee.
Which statement is FALSE? The zyepmatic major & minor muscles cause you to smile. The
prenator teres is deep to the extensor carpi radials longus: Durine a musclo contraction the
sarcomere shortens. Within a mixkle fiber, the uriad a located on the peripherat surtace of a
myofibri.
Which muscle has an origin on the lateral portion of the cervical vertebrae? at choices are correct
intemal intecoostals pectoralis major ievatorscapulae interspinales
Which mascle inserts on the anterior-perximal humerus? atissimen dor af choion are correct
denitived Ines minot
Question 6 Which statement is true? The santodios fieses the hip joint. all choices are coriect The
psous major and ilipecus extend the hip joint. Cardiocyes iene voluntary and striated The
coracobrachigls muscie is located on the bateral surfice of the irm.
Question 7 The cross-bridge formation refers to: binding of energy to myosin binding of calcium
to actin no choices are correct pumping calcium into sarcoplasmic reticulum binding of ACh to
the motor end plate
The thomboid major and minor: insert on the sapula invert on the thoracic vertebrac iment on the
hamerys no choikes are conrect
Muscles which flex the knee will: cross the posterior knee joint be located on the anterior thigh
be located on the anterior les al choices are conrect
The motor neturon releases a neurotransmitter, which binds to receptors sites on a special region
of the sarcolemina known as: sencharmik reticuk travinene troule nictor end pute byid