Muscle Origins
Muscle originating from the subscapular fossa
What is the Subscapularis
Muscle inserting onto the Deltoid Tuberosity
What are the Deltoid(s)
Action produced by the serratus anterior when the scapula is fixed
What is elevation of the thorax
Nerve innervating the biceps brachii, radialis, and coracobrachialis
What is musculocutaneous nerve
This artery supplies the gluteus maximus
What is inferior gluteal artery
Muscle originating from the top of the manubrium
What is the sternal head of the Sternocleidomastoid
Muscle inserting onto the Inferior surface of middle ⅓ of clavicle
What is the Subclavius
This group of muscles is primarily responsible for extension of the knee
What are the quadriceps
These muscle groups are innervated by the radial nerve
What are the extensors of the elbow, wrist, and fingers
This artery gives rise to the popliteal artery
What is femoral artery
Muscle originating from the distal ⅓ of the lateral supracondylar ridge of humerus
What is the Extensor Carpi Radialis Longus
Muscle inserting onto the Styloid process of Radius
What is the Brachioradialis
Action created by the peroneus group and the extensor digitorum longus
What is eversion
This muscle is affected if the suprascapular nerve is impinged at the spinoglenoid fossa
What is infraspinatus
This artery supplies the dorsum of the foot
What is dorsalis pedis
Muscle originating on the medial, anterior surface of the distal ulna
What is the Pronator Quadratus
Muscle inserting onto the base of the middle and distal phalanges of digits 2-5 on the dorsal surface of the hand
What is the Extensor Digitiorum
What actions give the levator scapulae the nickname “the armpit sniffer”
What is ipsilateral head flexion and rotation
Cause of difficulty when extending the hip, flexing the knee, and plantar flexion of the ankle
What is S1 serve root palsy
The internal iliac artery gives rise to
What are superior and inferior gluteal arteries
Muscle originating from posterior surface of the distal shaft of ulna and interosseous membrane
What is the Extensor Indicis
Muscle inserting onto the Extensor Expansion of the 2nd digit
What is the 1st Lumbrical
Actions of the lumbricals in the hand
MCP joint flexion of digits 2-5, IP joint extension of digits 2-5
These nerves branch off the posterior cord of the brachial plexus
What are the upper subscapular, thoracodorsal, and lower subscapular nerves
Which muscles are supplied by the dorsal scapular artery
What are rhomboid major, rhomboid minor, and levator scapula