Muscles & Actions
Innervation
Vasculature
Bones & Insertions
Application
100
What 6 muscles laterally rotate the hip?
Piriformis, superior gemellus, obturator internus, inferior gemellus, obturator externus, quadratus femoris
100
What innervates the trapezius muscle?
spinal accessory nerve
100
What artery supplies gluteus medius and minimus?
Superior gluteal artery
100
What is the insertion point of the triceps brachii?
Olecranon process.
Origin is the infraglenoid tubercle and posterior shaft of the humerus
100
What ligament is most vulnerable to a lateral ankle sprain?
Anterior talofibular ligament
200
What 3 muscle insertions form the pes anserinus?
Sartorius, gracilis, semitendinosus
200
What innervates the gracilis muscle?
Obturator nerve
200
What artery and vein enter and exit the adductor canal?
Enter- femoral artery and vein, Exit- popliteal artery and vein
200
What 3 leg muscles originate from the ischial tuberosity?
Hamstrings- semimembranosus, semitendinosus, biceps femoris
200
A fracture of the fibular neck is most likely to damage what nerve?
Common fibular (peroneal) nerve
300
What 2 muscles of the leg are responsible for foot eversion?
Fibularis longus and brevis
300
What nerve runs through the spiral groove of the humerus?
radial
300
What is the blood supply to the anterior compartment of the arm?
Brachial artery
300
What 4 muscles indirectly insert on the tibial tuberosity via the patellar tendon?
Vastus lateralis, vastus intermedius, vastus medialis, and rectus femoris come together to form quadriceps tendon which attaches to patella and patellar tendon, which inserts on the tibial tuberosity.
300
If a patient is unable to abduct their arm above 15 degrees, what nerve may be injured?
Axillary
400
What 3 muscles are responsible for abduction (radial deviation) of the wrist?
Extensor carpi radialis longus, extensor carpi radialis brevis, flexor carpi radialis
400
What nerve, if lesioned, would result in weakened elbow flexion and forearm supination?
Musculocutaneous via the biceps brachii and brachialis
400
The dorsalis pedis artery comes from what artery?
Anterior tibial artery
400
What gluteal region muscle originates from the ischial spine?
Superior gemellus
400
If a patient has loss of sensation of the sole of the foot and is unable to curl their toes, what nerve may be injured?
Tibial
500
What 3 muscles form the first layer of the sole of the foot?
Abductor digiti minimi, flexor digitorum brevis, abductor hallucis
500
What nerve branches off of the lateral cord of the brachial plexus and innervates a single muscle?
Lateral pectoral branch innervates pectoralis major
500
A FOOSH injury is most likely to cause damage to what artery?
Radial artery
500
What forearm muscle inserts on the pisiform and the hook of the hamate?
Flexor carpi ulnaris
500
A patient who plays pickleball 5 days a week presents with elbow pain. The tendon of what muscle is most likely to be involved and where does it originate?
Extensor carpi radialis brevis, lateral epicondyle of the humerus
