The Muscular System (Ch. 9)
Axial Musculature (Ch. 10)
Muscles of the Pectoral Girdle and Upper Limbs (Ch. 11)
Muscles of the Pelvic Girdle and Lower Limbs (Ch. 11)
Surface Anatomy
Lab (Name)
Lab (Action)
100
Name for a bundle of muscle fibers
What is a Fascicle
100
This muscle, which is located between the ribs, depresses the ribs
What is Internal intercostals
100
This muscle originates anteriorly on ribs 1-8 and inserts on the anterior surface of the vertebral border of the scapula. It protracts the shoulder.
What is Serratus anterior
100
These two muscles are the powerful flexors of the hip that pass deep to the inguinal ligament
Psoas major and iliacus (a.k.a. iliopsoas)
100
Prominent feature of the hip you palpate to find the insertion of sartorius?
Anterior superior iliac spine
100
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What is orbicularis oculi
100
What is close the jaw (mastication)
200
Chemical communication between a synaptic terminal of the neuron and a skeletal muscle fiber occurs at this site
What is an Neuromuscular synapse (a.k.a. myoneural junction or neuromuscular junction)
200
Name the muscles of erector spinae from medial to lateral.
What is Spinalis, Longissimus, Iliocostalis
200
Name an antagonist to infraspinatus
Subscapularis, teres major (best answers); also acceptable… latissimus dorsi, pectoralis major, and deltoid
200
The most lateral muscle of the hamstrings
Biceps femoris
200
If someone is tense and needs a shoulder rub, this is the muscle you massage
What is Trapezius
200
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What is Masseter
200
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What is Elevate rib cage (Inhale)
300
Describe the Sliding Filament theory (HIA band, Z line, Zone overlap) *during contraction
HI- goes bye (smaller)
A- same
Z-lines get closer
Zone of overlap gets bigger
300
Frontalis and occipitalis are separated by a collagenous sheet called what?
What is Galea aponeurotica (a.k.a epicranial aponeurosis)
300
Name 2 muscles that produce flexion at the elbow
Biceps brachii, brachialis, brachioradialis; also pronator teres
300
Name an antagonist to gastrocnemius
What is Tibialis anterior
300
Name the transverse bands of fibrous tissue that cause a fit person to have what we call a six pack
What is tendinous inscriptions of the rectus abdominis muscle
300
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What is semitendinosus
300
Unlocks knee from full extension when flexion begins
400
Types of skeletal muscle fibers are large in diameter, use enormous amounts of ATP, and fatigue rapidly
What is Fast (or white) fibers
400
This muscle, which has two bellies, depresses the hyoid bone and larynx.
What is Omohyoid
400
Actions the rhomboids perform
Adduction and downward rotation of the scapula
400
Which muscles produce eversion of the foot and plantar flexion at the ankle?
Fibularis longus and brevis (a.k.a. peroneus)
400
The tendons of these two muscles come together to form the calcaneal tendon
What is Gastrocnemius and soleus
400
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What is piriformis
400
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Prime Mover of arm ABduction
Three heads (flex/medially rotate & extend/laterally rotate)
500
Calcium ions bind to this during a muscle contraction
What is Troponin
500
The inguinal ligament is the aponeurosis of which muscle?
External oblique
500
Name the two origins of the Biceps Brachii
The short head originates from the apex of the coracoid process of the scapula. The long head originates from the supraglenoid tubercle of the scapula.
500
An athlete has experienced a pulled groin, these muscles may have been torn (there are 5) name four
Pectineus* (the groin muscle), adductor magnus, adductor brevis, adductor longus, or gracilis
500
If you are feeling for swollen submandibular lymph nodes, which division of the anterior cervical triangle are you palpating?
What is SHT (Suprahyoid triangle)
500
What is Extensor Carpi Ulnaris
500
What is stabilize, raise, depresses, rotates, and retracts scapula/clavicle