musculoskeletal Flashcards
What is the fancy name for the wrist? What kind of joint is it?
Radiocarpal, ellipsoid
When you medially rotate the forearm, what position are you moving into?
Pronation
What is the difference between distal and proximal?
Proximal is closer to the trunk, distal is further from the trunk
When you shrug your shoulders, what action is happening at the scapula?
Elevation
What action happens to the knees when you squat?
Flexion
What is the type of joint between the first and second cervical vertebrae
Pivot
What muscles might be involved in a shoulder sprain?
Trapezius and pectoralis minor
What two joints does the gastrocnemius cross?
Tibiofemoral (knee), talocrural (ankle)
Define plantar flexion
Gas pedal down toes pointed towards the ground
Define dorsiflexion
Gas pedal up, toes closer to the tibia
What muscle lies deep to the iliotibial band?
Vastis lateralis
The sciatic nerve passes between what two muscles?
Piriformis and superior Gemellus
What muscle is located at the anterior border of the axiliary space?
Pectoralis major
What is the difference between the appendicular skeleton in the axial skeleton?
The appendicular skeleton includes limbs, such as arms and legs. The axial skeleton includes the trunk, sternum and ribs.
What type of joint can move in all planes?
Ball and socket
What is the insertion of levator scapula?
Superior angle, and medial border of scapula
What is an action of all fibers of the deltoid?
Abduct the shoulder
The rhomboids and trapezius act as synergists, for what movement of the scapula
Adduction
The thoracolumbar aponeurosis is part of the origin of which muscle
Latissimus dorsi
What is the insertion of subscapularis?
Lesser tubercle
What rotator cuff muscle does not rotate this shoulder
Supraspinatus
What is the origin of infraspinatus?
Infraspinous fossa of scapula
What is the origin of teres minor?
Upper 2/3 of lateral border of scapula
What is the insertion of pectoralis minor
Coracoid process
What muscle is a direct antagonist of the rhomboids
Serratus anterior
What is the insertion of biceps brachii?
Tuberosity of radius and brachial aponeurosis
What is the action and location of brachialis?
Elbow flexor, deep to biceps brachii
What is the origin of coracobrachialis?
Coracoid process
The long head of the triceps waves between which two muscles
Teres minor and teres major
How many carpal bones are in each wrist
Eight
What muscle divides the forearm flexors and extensor’s
Brachioradialis
What is the origin of brachioradialis?
Proximal 2/3 Lateral supracondylar ridge
What is the action of extensor carpi ulnaris?
Adduct the wrist
Extensor digitorum moves what fingers
Two through five
What are three superficial forearm flexors
Flexor carpi ulnaris, flexor carpi radialis, and palmaris longus
What is the action of flexor digitorum profundus?
Assist to flex the wrist
The lumbricals originate from the tendon of what muscle
Flexor digitorum profundus
Pronator teres is antagonistic to what muscles
Supinator and biceps brachii
What is an action of Spinalis
Extends the vertebral column
What erector Spinae muscle attaches on the skull
Longissimus
The multifidi span how many vertebrae
2 to 4
What is the action of semispinalis Capitis?
Extend spine and head
What is the action of splenius Capitis
Rotate head and neck to the same side
What is an action of Rectus capitis posterior major?
Rotate head to the same side
What is the insertion of Rectus capitis posterior minor
Inferior nuchal line of the occiput
What is an action of oblique capitis superior?
Rock and tilt the head into extension
What suboccipital does not attached to the skull
Oblique capitis inferior
What movement will length an external oblique on the right side
Turning to the right side
What is an action of the internal oblique?
Rotate spine to same side
What is the origin of the diaphragm?
Central tendon and inner surfaces of lower six ribs
What is an action of serratus posterior superior?
Elevate ribs during inhalation
What is the strongest muscle relative to its size?
Masseter
What is an action of the anterior scalene?
Flex the head and neck
What is an action of the SCM?
Opposite side, rotation of head and neck
What muscle originates on the temporal bone
Temporalis
What is the insertion of the posterior scalene
Second rib
How many facial muscles do we have
30
What is an action of the medial pterygoid?
Protract the mandible
Where are the Supra hyoids located
Under the jaw
What is the most posterior of the adductor muscles?
Adductor Magnus
How many muscles are in the adductor group?
5
What is the origin of gracilis?
Inferior ramus of pubis
What is the origin of gluteus medius
Gluteal surface of ilium between posterior and anterior gluteal lines
What is the action of gluteus minimus
Medially rotate and flex the hip
What is an action of gluteus maximus lower fibers?
Adduct the hip
What is the origin of psoas major?
Body and transverse processes of lower lumbar vertebrae
What is the insertion of piriformis?
Superior aspect of greater trochanter
What three muscles blend together to make the Pes anserinus tendon
Semi tendinosis, gracilis, sartorius
What is the insertion of Soleus
Calcaneus via the calcaneal tendon
What is an action of Peroneus longus
Everts the foot
What is an action of popliteus?
Medially rotates the flexed knee
What is an action of the peroneal’s?
Eversion
What is an action of tibialis anterior?
Invert the foot
What is an action of extensor hallucis longus?
Inverts the foot
What attachment site do all hamstrings share?
Ischial tuberosity
What quad muscle crosses two joints
Rectus femoris
What is an action of vastus medialis?
Extends the knee
What is the origin of the short head of biceps femoris
Lateral lip of linea aspera
What is an action of semi tendinosis?
Flexes the knee
What movement will lengthen semi membranous
Lateral rotation of flexed knee
The hamstrings are located between what two muscles
Adductor Magnus and vastus lateralis