BIO 117 Lab Review #5 Muscles - II (arms & legs)
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68 Terms
What is the trapezius of the scapula?
Which muscle of the scapula is:
Big diamond in back, attached to neck, shoulder, & spine
Action: retract scapula, (elevate & upper rot)
Nerve: CN XI, C3, & C4 nerve roots
What is the rhomboids of the scapula?
Which muscle of the scapula is:
Rhombus shaped, attached to spine and scapula
Action: retract & downward rot scapula
Nerve: dorsal scapular
What is the levator scapulae of the scapula?
Which muscle of the scapula is:
Side of neck, attached to medial border of scapula
Action: elevation & downward rot scapula
Nerve: dorsal scapular
What is the serratus anterior of the scapula?
Which muscle of the scapula is:
Lateral surface of ribcage
Action: protracts & upper rot scapula
Nerve: long thoracic
What is the supraspinatus of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Located at scapulaโs supraspinous fossa
Action: initiate (15 deg) arm abduction
Nerve: suprascapular
What is the subscapularis of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Located at scapulaโs subscapular fossa (anterior side)
Action: medial rot humerus
Nerve: subscapular
What is the infraspinatus of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Inferior to scapulaโs spine, located at infraspinous fossa
Action: lateral rot & ext humerus
Nerve: suprascapular
What is the teres minor of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Inferior to infraspinatus, but superior to teres major
Action: lateral rot & ext humerus
Nerve: axillary
What is the teres major of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Inferior to teres minor
Action: adduction, ext, medial rot arm
Nerve: lower scapular
What is the deltoid (anterior, middle, posterior) of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Attached to scapula (posterior), acromial (middle), clavicular (anterior)
Action: abducts arm (A = hort flex, P = hort ext)
Nerve: axillary
What is the coracobrachialis of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Attached toย scapula coracoid process
Action: flex & adducts arm
Nerve: musculocutaneous
What is the pectoralis major of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Fan-shaped, located at chest
Action: flex & adducts arm
Nerve: pectoral
What is the latissimus dorsi of the humerus/shoulder?
Which muscle of the humerus/shoulder is:
Inferior to shoulder, wrap around back
Action: adduction, ext, medial rot arm
Nerve: thoracodorsal
What is the biceps brachii of the forearm?
Which muscle of the forearm is:
Two-headed, anterior upper arm
Superficial to brachialis and coracobrachialis
Action: flex elbow, supination
Nerve: musculocutaneous
What is the brachialis of the forearm?
Which muscle of the forearm is:
Deep to biceps brachii and inferior to coracobrachialis
Action: flex elbow
Nerve: musculocutaneous
What is the brachioradialis of the forearm?
Which muscle of the forearm is:
Lateral side of forearm, wraps from back of humerus to front of radius
Action: flex elbow
Nerve: radial
What is the triceps brachii of the forearm?
Which muscle of the forearm is:
Posterior upper arm
Action: ext elbow
Nerve: radial
What is the anconeus of the forearm?
Which muscle of the forearm is:
Small triangle at posterior elbow
Action: ext elbow
Nerve: radial
What is the supinator of the forearm?
Which muscle of the forearm is:
Located on posterior radius, deep to anconeus
Action: supinates forearm
Nerve: radial
What is the pronator teres of the forearm?
Which muscle of the forearm is:
Located on anterior elbow
Action: pronates forearm
Nerve: median
What is the pronator quadratus of the forearm?
Which muscle of the forearm is:
Located on anterior wrist, square-shaped, proximal to carpals
Action: pronates forearm
Nerve: median
What is the flexor carpi radialis of the forearm?
Which muscle of the forearm is:
Deep to pronator teres, anterior forearm
Action: flex & abducts wrist
Nerve: median
What is the flexor carpi ulnaris of the forearm?
Which muscle of the forearm is:
Posterior border of ulna, medial to flexor carpi radialis
Action: flex & adducts wrist
Nerve: ulnar
What is the extensor carpi radialis longus & brevis of the forearm?
Which muscle of the forearm is:
Located on posterior forearm
Action: ext & abducts wrist
Nerve: radial
What is the extensor carpi ulnaris of the forearm?
Which muscle of the forearm is:
Located on posterior foremen, attached to humerus lateral epicondyle and pinky
Medial to extensor digitorum communis
Action: ext & adducts wrist
Nerve: radial
What is the flexor digitorum superficialis & profundus of the fingers?
Which muscle of the fingers is:
On anterior side of forearm
Attached to the middle phalanx of the index, middle, ring, and pinky
Two muscles, one under the other
Action: flex fingers
Nerve: median
What is the flexor pollicis longus of the fingers?
Which muscle of the fingers is:
On anterior side of forearm
Attached to thumb
Action: flex thumb
Nerve: median
What is the extensor digitorum communis of the fingers?
Which muscle of the fingers is:
On posterior side of forearm
Attached to four distal phalanges, lateral to extensor carpi ulnaris
Action: ext MP joints
Nerve: radial
What is the extensor pollicis longus & brevis of the fingers?
Which muscle of the fingers is:
Located on middle of posterior forearm
Attached to thumb
Action: ext thumb
Nerve: radial
What is the abductor pollicis of the fingers?
Which muscle of the fingers is:
On anterior side of hand
Located on first metacarpal, superficial to opponens pollicis
Action: abducts thumb
Nerve: radial
What is the adductor pollicis of the fingers?
Which muscle of the fingers is:
On anterior thumb, fan-shaped
Action: adducts thumb
Nerve: ulnar
What is the opponens pollicis of the fingers?
Which muscle of the fingers is:
On anterior side of hand
Located on first metacarpal, deep to abductor pollicis
Action: thumb opposition
Nerve: medial
What is the gluteus maximus of the femur?
Which muscle of the femur is:
The buttock
Action: ext & lateral rot hip
Nerve: inferior gluteal
What is the gluteus medius of the femur?
Which muscle of the femur is:
Deep to gluteus maximus, and superficial to gluteus minimus
Action: abducts & medial rot hip
Nerve: superior gluteal
What is the gluteus minimus of the femur?
Which muscle of the femur is:
Deep to gluteus medius
Action: abducts & medial rot hip
Nerve: superior gluteal
What is the tensor fasciae latae of the femur?
Which muscle of the femur is:
On lateral hip, pocket area
Action: prevents collapse of ext knee (locks knee)
Nerve: superior gluteal
What is the iliotibial tact of the femur?
Which tendon of the femur is:
Long tendon to lateral condyle of tibia
Action: prevents collapse of ext knee (locks knee)
Nerve: superior gluteal
What is the piriformis of the femur?
Which muscle of the femur is:
Superior to superior gemellus
Action: lateral rot & abducts hip
Nerve: sacral plexus
What is the superior gemellus of the femur?
Which muscle of the femur is:
Inferior to piriformis, superior to obturator internus
Action: lateral rot hip
Nerve: sacral plexus
What is the obturator internus of the femur?
Which muscle of the femur is:
Inferior to superior gemellus, superior to inferior gemellus
Action: lateral rot hip
Nerve: sacral plexus
What is the inferior gemellus of the femur?
Which muscle of the femur is:
Inferior to obturator internus, superior to quadratus femoris
Action: lateral rot hip
Nerve: sacral plexus
What is the quadratus femoris of the femur?
Which muscle of the femur is:
Inferior to inferior gemellus, superficial to obturator externus
Action: lateral rot hip
Nerve: sacral plexus
What is the obturator externus of the femur?
Which muscle of the femur is:
Deep to quadratus femoris
Action: lateral rot hip
Nerve: sacral plexus
What is the pectineus of the femur?
Which muscle of the femur is:
Superior to adductor brevis
Action: flex, adducts & medial rot hip
Nerve: femoral
What is the adductor brevis of the femur?
Which muscle of the femur is:
Inferior to pectineus, superior to adductor longus
Action: adducts hip
Nerve: obturator
What is the adductor longus of the femur?
Which muscle of the femur is:
Inferior to adductor brevis, superior to adductor magnus
Action: adducts hip
Nerve: obturator & sciatic
What is the adductor magnus of the femur?
Which muscle of the femur is:
Inferior to adductor longus, superior to gracilis
Action: adduct hip
Nerve: obturator
What is the gracilis of the femur?
Which muscle of the femur is:
Inferior to adductor magnus
Most medial of the femur adductor muscles
Action: adduct hip & medial rot knee
Nerve: obturator
What is the psoas major of the femur?
Which muscle of the femur is:
Medial to iliacus, forms an upside down V
Action: flex & lateral rot hip
Nerve: lumbar plexus
What is the iliacus of the femur?
Which muscle of the femur is:
Lateral to psoas major
Action: flex & lateral rot hip
Nerve: femoral
What is the biceps femoris of the leg/knee?
Which muscle of the leg/knee is:
On posterior thigh
Lateral to semitendinosus and semimembranosus
Action: flex knee, ext hip
Nerve: sciatic
What is the semimembranosus of the leg/knee?
Which muscle of leg/knee is:
On posterior thigh
Medial and deep to semitendinosus
Action: flex knee, ext hip
Nerve: sciatic
What is the semitendinosus of the leg/knee?
Which muscle of the leg/knee is:
On posterior thigh
Lateral to semimembranosus
Action: flex knee, ext hip
Nerve: sciatic
What is the sartorius of the leg/knee?
Which muscle of the leg/knee is:
Tailorโs muscle, anterior thigh
Action: flex, abduct, lateral rot hip/ flex, med rot knee
Nerve: femoral
What is the popliteus of the leg/knee?
Which muscle of the leg/knee is:
Back of knee
Action: unlocks ext knee (flex)
Nerve: tibial
What is the rectus femoris of the leg/knee?
Which muscle of the leg/knee is:
On anterior thigh
Attached from pelvis to kneecap, most superficial
Action: ext knee, flex hip
Nerve: femoral
What is the vastus intermedius of the leg/knee?
Which muscle of the leg/knee is:
On anterior thigh
In between vastus lateralis and vastus medialis
Action: ext knee
Nerve: femoral
What is the vastus lateralis of the leg/knee?
Which muscle of the leg/knee is:
On anterior thigh
Lateral to vastus intermedius and vastus medialis
Action: ext knee
Nerve: femoral
What is the vastus medialis of the leg/knee?
Which muscle of the leg/knee is:
On anterior thigh
Medial to vastus intermedius and vastus lateralis
Action: ext knee
Nerve: femoral
What is the tibialis anterior of the foot/ankle?
Which muscle of the foot/ankle is:
On anterior tibia
Action: dorsiflex ankle, inversion
Nerve: deep fibular
What is the gastrocnemius of the foot/ankle?
Which muscle of the foot/ankle is:
On posterior tibia
Superficial to soleus
Action: plantarflex ankle, flex knee
Nerve: tibial
What is the soleus of the foot/ankle?
Which muscle of the foot/ankle is:
On posterior tibia
Deep to gastrocnemius
Action: plantarflex ankle
Nerve: tibial
What is the fibularis of the foot/ankle?
Which muscle of the foot/ankle is:
Runs along the lateral side of lower leg
Action: foot eversion
Nerve: fibular
What is the tibialis posterior of the foot/ankle?
Which muscle of the foot/ankle is:
On posterior tibia
Deep to gastrocnemius and soleus
Action: foot inversion
Nerve: tibial
What is the extensor digitorum longus of the foot/ankle?
Which muscle of the foot/ankle is:
On anterior side
Lateral to extensor hallucis longus
Action: ext 4 toes
Nerve: deep fibular
What is the extensor hallucis longus of the foot/ankle?
Which muscle of the foot/ankle is:
On anterior side
Medial to extensor digitorum longus
Action: ext big toe
Nerve: deep fibular
What is the flexor digitorum longus of the foot/ankle?
Which muscle of the foot/ankle is:
On posterior side
Medial to flexor hallucis longus
Action: flex 4 toes
Nerve: tibial
What is the flexor hallucis longus of the foot/ankle?
Which muscle of the foot/ankle is:
On posterior side
Lateral to flexor digitorum longus
Action: flex big toe
Nerve: tibial
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