General Anatomy - NBS Flashcards
Name the 4 rotator cuff muscles
- Supraspinatus
- Infraspinatus
- Teres minor
- Subscapularis
Which rotator cuff muscle(s) is/are responsible for external (lateral) rotation of the shoulder
Infraspinatus + Teres minor
Which rotator cuff muscle(s) is/are fed by the suprascapular artery
Supraspinatus + Infraspinatus
Match the muscle to its respective innervation
Muscle:
Supraspinatus, Infraspinatus, Teres minor, Subscapularis
Innervation:
Axillary, Suprascapular, Subscapular
Muscle-------------------Innervation Supraspinatus-----------Suprascapular Infraspinatus-------------Suprascapular Teres minor---------------Axillary Subscapularis------------Subscapular
Match the muscle to its respective blood supply
Muscle:
Supraspinatus, Infraspinatus, Teres minor, Subscapularis
Blood Supply:
Suprascapular, Scapular circumflex,
Lateral Thoracic, Subscapular
Muscle————–Blood Supply
Supraspinatus—–Suprascapular
Infraspinatus——-Suprascapular
Teres minor———Scapular Lat. Thor. + Subscapular
Match the muscle to its respective action
Muscle:
Supraspinatus, Infraspinatus, Teres minor, Subscapularis
Action:
Abduction, Adduction,
Internal (medial) Rotation, External (lateral) Rotation
Muscle—————————————Action
Supraspinatus—————————-Abduction
Infraspinatus——————————Ext. Rotation
Teres minor——————————-Ext. Rotation
Subscapularis—————————-Int. Rotation
Latissimus dorsi is innervated by ________ nerve and has the ________ action
Thoracodorsal N.
Extension + Int. Rotation of arm
Trapezius is innervated by ________ nerve and has the ________ action
Spinal Accessory N.
Adduct scapula
Rhomboid is innervated by ________ nerve and has the ________ action
Dorsal Scapular N.
Scapular retraction
Serratus Anterior is innervated by ________ nerve and has the ________ action
Long Thoracic N.
Adheres scapulae to chest wall
Deltoid is innervated by ________ nerve and has the ________ action
Axillary N.
Abduction of the arm
Teres major is innervated by ________ nerve and has the ________ action
Subscapular N.
Extension + Internal Rotation + Adduction of arm
Pectoralis minor is innervated by ________ nerve and has the ________ action
Medial Pectoral N.
Draws scapula forward
Match the muscle to its respective innervation
Muscle:
Biceps brachii, Brachialis, Brachioradialis,
Coracobrachialis, Pronator teres
Innervation:
Median, Musculocutaneous, Radial
Muscle———————————–Innervation
Biceps brachii————————Musculocutaneous
Brachialis——————————-Musculocutaneous
Brachioradialis———————–Musculocutaneous
Coracobrachialis——————–Radial
Pronator teres———————–Median
Match the muscle to its respective blood supply
Muscle:
Biceps brachii, Brachialis, Brachioradialis,
Coracobrachialis, Pronator teres
Blood Supply:
BrachialUlnar artery, Ulnar artery
Muscle———————————–Blood Supply
Biceps brachii————————Brachial artery
Brachialis——————————-Brachial artery
Brachioradialis———————–Brachial artery
Coracobrachialis——————–Brachial artery
Pronator teres———————–Ulnar artery
Triceps is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Radial N.
Brachial artery
Extension of Elbow
Anconeus is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Radial N.
Brachial artery
Extension of Elbow
The Biceps brachii, Brachialis, Brachioradialis, Coracobrachialis, and Pronator teres are all part of the ________ compartment of the arm
Anterior
The Triceps and Anconeus are both part of the ________ compartment of the arm
Posterior
Flexor radialis is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Median N.
Ulnar artery
Flex + Abducts wrist
Flexor carpi ulnaris is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Ulnar N.
Ulnar artery
Flex + Adducts wrist
Flexor digiti profundus is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
1/2 Median N. + 1/2 Ulnar N.
Ulnar artery
Flex DIP, PIP, MCP
Pronator teres is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Median N.
Ulnar artery
Pronate forearm + Flex elbow
Flexor pollicis longus is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Median N.
Ulnar artery
Flexes distal thumb
Palmaris longus is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Median N.
Ulnar artery
Flexes wrist
Extensor carpi radialis longus is innervated by ________ nerve and has the ________ action
Radial N.
Extends + Abducts wrist
Extensor carpi radialis brevis is innervated by ________ nerve and has the ________ action
Radial N.
Extends + Abducts wrist
Extensor carpi ulnaris is innervated by ________ nerve and has the ________ action
Posterior Interosseous N.
Extends + Adducts wrist
Levator ani is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Pudendal plexus
Internal Pudendal + Inferior Rectal arteries
Constricts recturm + vagina cavity
Coccygeus is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Pudendal plexus
Internal Pudendal + Inf. Rectal + Inf. Gluteal arteries
Pulls forward and supports the coccyx
Transverse perinei profundus is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Branch of Pundendal
Internal pudendal artery
Assists perineal body, helps spincter action + supprts vagina (females) + supports prostate (males)
Sphincter ani externus is innervated by ________ nerve, has ________ for a blood supply and has the ________ action
Branch of Pundendal
Inferior Rectal + Transverse Perineal arteries
Contracts orifice
The anterior compartment of the thigh is comprised of which 6 muscles?
- Rectus femoris
- Vastus lateralis
- Vastus medialis
- Vastus intermedius
- Sartorius
- Iliopsoas
The muscles of the anterior thigh are innervated by what nerve(s)?
Femoral nerve
The muscles of the anterior thigh are fed by what blood supply?
Femoral artery
Which 4 anterior thigh muscles extend the leg?
- Rectus femoris
- Vastus lateralis
- Vastus medialis
- Vastus intermedius
Which 3 anterior thigh muscles flex the hip?
- Rectus femoris
- Sartorius
- Iliopsoas
Which anterior thigh muscle flexes the knee?
Sartorius
Which anterior thigh muscle externally rotates thigh
Sartorius
Which anterior thigh muscle originates from the ASIS?
Sartorius
Which anterior thigh muscle originates from the AIIS?
Rectus Femoris
The medial compartment of the thigh is comprised of which 5 muscles?
- Pectineus
- Adductor Brevis
- Adductor Longus
- Adductor Magnus
- Gracilis
All the medial compartment muscles share this innervation
Obturator Nerve
The Pectineus is primarily innervated by ________
Femoral Nerve
All the medial compartment muscles share this blood supply
Obturator Artery
This medial compartment muscle flexes the leg in addition to adducting the thigh but doesn’t really provide much in the way of rotation
Gracilis
This medial compartment muscle adducts, flexes, and laterally rotates the thigh
Pectineus
The 3 muscles of the posterior compartment of the thigh are
- Biceps femoris (2)
- Semitendinosus
- Semimembranosus
The muscles of the posterior compartment of the thigh are innervated by
Tibial nerve
The muscles of the posterior compartment of the thigh are fed by what blood supply
Deep femoral artery
Flexion and lateral rotation of the knee and extension of the thigh is the action of ________
Biceps femoris
Flexion and medial rotation of the knee and extension of the thigh are all actions for ________
Semitendinosus + Semimembranosus
These 4 muscles are found in the lateral compartment of the thigh
- TFL
- Gluteus minimus
- Gluteus medius
- Gluteus maximus
The Gluteus minimus + medius are innervated by ________, are fed by ________ artery, and have ________ actions
Superior Gluteal N.
Inferior gluteal artery
Abduction + medial rotation of the hip
The Gluteus maximus is innervated by ________, is fed by ________ artery, and has ________ actions
Inferior Gluteal N.
Inferior gluteal artery
Extension + lateral rotation of the hip
The TFL is innervated by ________, is fed by ________ artery, and has ________ actions
Superior Gluteal N.
Inferior gluteal artery
Flexion + abduction + medial rotation of the hip + extension of the knee
The 3 muscles of the anterior compartment of the leg are
- Tibialis anterior
- Extensor digitorum longus
- Extensor hallucis longus
The muscles of the anterior compartment of the leg are innervated by
Deep Peroneal/Fibular N.
Dorsiflexion and internal rotation of the foot are actions for which muscle(s)
- Tibialis anterior
- Extensor digitorum longus
- Extensor hallucis longus
Dorsiflexion and foot eversion are actions for which muscle(s)
Extensor digitorum longus
Big toe extension is the action for which muscle(s)
Extensor hallucis longus
The muscles of the anterior compartment of the leg are fed by ________ arteries
Anterior tibial artery
These 4 muscles are found in the posterior compartment of the leg
- Gastrocnemius
- Soleus
- Popliteus
- Plantaris
The posterior compartment of the leg is innervated by
Tibial N.
The posterior compartment of the leg is fed by what blood supply
Posterior tibial artery
________ has 2 muscle bellies and plantar flexes the foot and flexes the knee
Gastrocnemius
________ is the heart of the leg and plantar flexes the foot
Soleus
________ is responsible for flexion and rotates the leg medially to unlock the knee from full extension
Popliteus
________ is not considered the heart of the foot but plantar flexes it
Popliteus
These 2 muscles are found in the lateral compartment of the leg
- Peroneus Brevis
2. Peroneus Longus
The muscles are in the lateral compartment of the leg have the following innervation and blood supply
Superficial Peroneal N.
Anterior tibial artery + Peroneal artery
The action(s) of the muscles in the lateral compartment of the leg is(are)
Plantar flexion and eversion of the foot
Match the following terms with their respective term
Term———————————–Respective Term
Agonistic—————————-Supports movement
Synergistic————————-Opposite movers
Antagonistic———————–Prime movers
Term———————————–Respective Term
Agonistic—————————-Prime movers
Synergistic————————-Supports movement
Antagonistic———————–Opposite movers
Internal organs begin to form at the ________ month
2nd
Efferent cranial nerves develop at the ________
Basal plate
The ________ pharyngeal pouch is the location of the Thymus
3rd
The ________ pharyngeal pouch is the location of the Pharyngeal tonsil
2nd