Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
ANAT 711 MSK muscles
ANAT 711 muscles
| Question | Answer |
|---|---|
| muscle group that inserts on the ribs and appendicular skeleton, generates movements in upper appendages, has no direct effects on movements of axial skeleton, and is mostly innervated by ventral rami of spinal nerves | extrinsic back muscles |
| muscle group that inserts on vertebrae, generates movements on vertebral column (rotation, stability, overall helping us stand), and is innervated by dorsal rami of spinal nerves | intrinsic back muscles |
| has 3 parts actions: elevates scapula and depresses scapula innervation: accessory n. (CN XII) | trapezius m. |
| actions: extension, adduction, medial rotation of arm, raises body towards arms innervation: thoracodorsal n. (C6, C7, C8) vasculature: thoracodorsal a. and v. 4 parts | latissimus dorsi m. |
| action: elevates scapula innervation: dorsal scapular n. | levator scapulae m. |
| action: retracts scapula innervation: dorsal scapular n. (C4, C5) | rhomboid minor m. |
| action: retracts scapula innervation: dorsal scapular n. (C4, C5) | rhomboid major m. |
| action: elevates ribs innervation: spinal nerves (ant. rami) (T2-T5) | serratus posterior superior m. |
| action: depresses ribs innervation: spinal nerves (ant. rami) (T9-T12) | serratus posterior inferior m. |
| are intermediate extrinsic back muscles more motor or sensory | sensory |
| action: bilateral - extends cervical spine and head; unilateral - flexes and rotates head to same side innervation: dorsal rami of cervical spinal nerves | splenius capitus m. |
| actions: bilateral - extends cervical spine and head; unilateral - flexes and rotates head to same side innervation: dorsal rami of cervical spinal nerves | splenius cervicus m. |
| erector spinae muscles, transversospinalis muscles | intermediate intrinsic back muscles |
| trapezius, latissimus dorsi, levator scapulae, rhomboid minor, rhomboid major | superficial extrinsic muscles |
| serratus posterior superior, serratus posterior inferior | intermediate extrinsic back muscles |
| splenius capitus, splenius cervicus | superficial intrinsic back muscles |
| group of 3 muscles actions: bilateral - extension of spine/neck, unilateral - ipsilateral flexion of spine/neck innervation, dorsal rami of spinal nerves acts on vertebral column | erector spinae muscles |
| erector spinae muscle, most lateral, attaches to ribs | iliocostalis m. |
| erector spinae muscle, middle of three | longissimus m. |
| erector spinae muscle, most medial, along the spine | spinalis m. |
| group of 3 muscles actions: bilateral - extension of spine/neck, unilateral - contralateral spine/head rotation innervation - dorsal rami of spinal nerves | transversospinalis muscles |
| rotatores, multifidus (lower back pain), semispinalis (deep to splenius m.) | transversospinalis muscles |
| interspinales, levatores costarum, and intertransversarii | deep intrinsic back muscles |
| found between spinous processes action: extends spine innervation: dorsal rami of spinal nerves | interspinales m. |
| attaches to transverse processes of spine and ribs action: extends spine innervation: dorsal rami of spinal nerves | levatores costarum m. |
| found between transverse processes action: extends spine innervation: dorsal and ventral rami of spinal nerves | intertransversarii m. |
| obliquus capitis inferior, obliquus capitis superior, and rectus capitis posterior major | borders of suboccipital triangle |
| obliquus capitis inferior, obliquus capitis superior, rectus capitis posterior major, and rectus capitis posterior minor | suboccipital muscles |
| innervation: C1 (post. ramus, suboccipital n.) actions: unilateral - rotates head to same side, bilateral - extends head | rectus capitis posterior major m. |
| innervation: C1 (post. ramus, suboccipital n.) actions: bilateral - extends head, unilateral - rotates head to same side | rectus capitis posterior minor m. |
| innervation (C1 post. ramus, suboccipital n.) actions: bilateral - extends head, unilateral - tilts head to same side, rotates to opp. side | obliquus capitis superior m. |
| innervation: C1 (post. ramus, suboccipital n.) actions: bilateral - extends head, unilateral - rotates head to same side | obliquus capitis inferior m. |
| becomes inflamed when humerus rubs against coracromial arch origins: scapula and supraspinous fossa insertions: humerus and greater tubercle innervation: suprascapular n. (C4-C6) action: abduction | supraspinatus m. |
| innervation: suprascapular n. (C4-C6) action: external rotation | infraspinatus m. |
| innervation: axillary n. (C5, C6) actions: external rotation and weak adduction | teres minor m. |
| innervation: subscapular n. (C5, C6) action: internal rotation | subscapularis m. |
| which shoulder muscle reinforces the glenohumeral joint but does not surround the joint leaving it slightly compromised | subscapularis m. |
| supraspinatus, infraspinatus, teres minor, subscapularis (SITS) | rotator cuff muscles |
| 1st 15 degrees involves supraspinatus 15-90 degrees involves the deltoid beyond 90 degrees involves trapezius and serratus ant. (scapular rotation) | arm abduction |
| coracobrachilais, deltoid, infraspinatus, latissimus dorsi, pectoralis major, subscapularis, supraspinatus, teres major, teres minor, triceps long head | muscles acting on the shoulder |
| innervation: lower subscapular n. actions: adduction, internal rotation, extension | teres major m. |
| 3 parts actions: clavicular part - flexion, int. rotation, adduction; acromial part - abduction; spinal part - extension, external rotation, adduction innervation: axillary n. (C5, C6) | deltoid m. |
| teres major, teres minor, and triceps long head | borders of triangular space |
| teres major, teres minor, triceps long head, and humerus | borders of quadrangular space |
| long head of triceps, lateral head of triceps, and teres major | borders of triangular interval |
| what two muscles are the prime movers for flexion in the shoulder | pectoralis major and deltoid |
| what two muscles are the prime movers for adduction in the shoulder | pectoralis major and latissimus dorsi |
| what two muscles are the prime movers for upward rotation in the shoulder | trapezius and serratus anterior |
| what muscle is the prime mover for lateral rotation in the shoulder | infraspinatus |
| what muscle is the prime mover for downward rotation in the shoulder | latissimus dorsi |
| what muscle is the prime mover for elevation in the shoulder | trapezius |
| what muscle is the prime mover for protraction in the shoulder | serratus anterior |
| what muscle is the prime mover for retraction in the shoulder | trapezius |
| what is the prime mover for depression in the shoulder | gravity |
| what muscle is the prime mover for abduction in the shoulder | deltoid |
| what muscle is the prime mover for extension in the shoulder | deltoid |
| what muscle is the prime mover for medial rotation in the shoulder | subscapularis |
| 3 parts innervation: long thoracic n. (C5, C6) action: protracts and rotates scapula, plays a role in inspiration | serratus anterior m. |
| 3 parts innervation: med. and lat. pectoral nn. (C5-C7) actions: entire m. - adduction and int. rotation; clavicular and sternocostal parts - flexion, assists in respiration when shoulder is fixed | pectoralis major m. |
| innervation: musculocutaneous n. (pierces this m.) actions: flexion, adduction, int. rotation | coracobrachialis m. |
| innervation: n. to subclavius (C5, C6) action: stabilizes clavicle | subclavius m. |
| innervation: med. pectoral n. (C8, T1) (pierces through this m.) actions: stabilizes scapula and helps with inspiration | pectoralis minor m. |
| 2 heads innervation: musculocutaneous n. (C5, C6) actions: elbow joint - flexion, supination; shoulder joint - stabilization of humeral head during deltoid contraction, abduction, and int. rotation of humerus | biceps brachii m. |
| innervation: radial n. (C1, minor) and musculocutaneous n. (C5, C6) (motor and sensory) action: flexion of elbow joint | brachialis m. |
| 3 heads innervation: radial n. (C6-C8) actions: elbow joint - extension; shoulder joint - long head does extension and adduction | triceps brachii m. |
| innervation: radial n. (C6-C8) actions: extends the elbow and tightens the joint | anconeus m. |
| pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris | superficial flexor muscles |
| flexor digitorum superficialis | intermediate flexor muscle |
| flexor digitorum profundus, flexor pollicis longus, pronator quadratus | deep flexor muscles |
| innervation: median n. (C6, C7) actions: elbow - weak flexion; forearm - pronation runs from elbow medially to radius laterally | pronator teres m. |
| innervation: median n. (C6, C7) action: wrist - flexion and abduction (radial deviation) of hand goes across wrist, thumb side | flexor carpi radialis m. |
| innervation: median n. (C7, C8) actions: elbow - week flexion; wrist - flexion tightens palmar aponeurosis goes into palm, not everyone has a visible tendon | palmaris longus m. |
| innervation: ulnar n. (C7-T1) actions: flexion and adduction (ulnar deviation) of hand goes across wrist, pinky side | flexor carpi ulnaris m. |
| innervation: median n. (C8, T1) actions: wrist, MCP, and PIP joints of 2nd-5th digits - flexion; elbow - weak flexion goes into fingers and splits at prox. interphalangeal joints | flexor digitorum superficialis m. |
| innervation: median n. (C8, T1, radial 1/2 of fingers 2 & 3) and ulnar n. (C8, T1, ulnar 1/2 of fingers 4 & 5) action: wrist, MCP, PIP, DIP joints of 2nd-5th digits - flexion goes btw flexor digitorum superficialis' splits to DIPs | flexor digitorum profundus m. |
| innervation: median n. (C8, T1) actions: wrist - flexion and abduction (radial deviation) of hand; carpometacarpal joint of thumb - flexion; MCP and IP joints of thumb - flexion | flexor pollicis longus m. |
| innervation: median n. (C8, T1) actions: hand - pronation; distal radioulnar joint - stabilization "bandage" | pronator quadratus m. |
| innervation: radial n. (C5, C6) action: flexion at elbow | brachioradialis m. |
| innervation: radial n. (C6, C7) actions: elbow - weak flexion; wrist - extension and abduction (with flexor carpi) | extensor carpi radialis longus m. |
| innervation: radial n. (C7, C8) actions: elbow - weak flexion; wrist - extension and abduction with flexor carpi | extensor carpi radialis brevis m. |
| brachioradialis, extensor carpi radialis longus, extensor carpi radialis brevis | radialis group of posterior forearm |
| extensor digitorum, extensor digiti minimi, extensor carpi ulnaris | superficial extensor muscles |
| supinator, abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus, extensor indicis | deep extensor muscles |
| innervation: radial n. (c7, C8) actions: wrist - extension; MCP, PIP, and DIP joints of 2nd-5th digits - extension and abduction goes into each finger | extensor digitorum m. |
| innervation: radial n. (C7, C8) actions: wrist - extension, ulnar abduction of hand; MCP, PIP, and DIP joints of 5th digit - extension and abduction of 5th digit | extensor digiti minimi m. |
| innervation: radial n. (C7, C8) actions: wrist - extension, abduction (ulnar deviation) of hand | extensor carpi ulnaris m. |
| innervation: radial n. (C6, C7) action: supination of radioulnar joint wraps around ulna | supinator m. |
| innervation: radial n. (C7, C8) actions: radiocarpal joint - abduction of hand; carpometacarpal joint of thumb - abduction long tendon | abductor pollicis longus m. |
| innervation: radial n. (C7, C8) actions: radiocarpal joint - abductor (radial deviation) of hand; carpometacarpal and MCP joints of thumb - extension between abductor pollicis longus and extensor pollicis longus | extensor pollicis brevis m. |
| innervation: radial n. (C7, C8) actions: wrist - extension and abduction (radial deviation) of hand; carpometacarpal joint of thumb - adduction; MCP and IP joints of thumb - extension long tendon | extensor pollicis longus m. |
| innervation: radial n. (C7, C8) actions: wrist - extension; MCP, PIP, DIP joints of 2nd digit - extension index finger | extensor indicis m. |
| tendons of extensor pollicis longus, extensor pollicis brevis, and abductor pollicis make this up | anatomical snuff box |
| adductor pollicis, abductor pollicis brevis, flexor pollicis brevis, opponens pollicis | thenar muscles |
| innervation: ulnar n. (C8, T1) action: CMC joint of thumb - adduction; MCP joint of thumb - flexion | adductor pollicis m. |
| innervation: median n. (C8, T1) action: CMC joint of thumb - abduction | abductor pollicis brevis m. |
| innervation: superficial head - median n. (C8, T1); deep head - ulnar n. (C8, T1) action: CMC joint of thumb - flexion | flexor pollicis brevis m. |
| innervation: median n. (C8, T1) action: CMC joint of thumb - opposition | opponens pollicis brevis m. |
| opponens digitum, flexor digiti minimi brevis, abductor digiti minimi, palmaris brevis | hypothenar muscles |
| innervation: ulnar n. (C8, T1) action: draws metacarpal in palmar direction | opponens digitum m. |
| innervation: ulnar n. (C8, T1) action: MCP joint of little finger - flexion | flexor digiti minimi brevis m. |
| innervation: ulnar n. (C8, T1) actions: MCP joint of little finger - flexion and abduction; PIP and DIP joints of little finger - extension | abductor digiti minimi m. |
| innervation: ulnar n. (C8, T1) action: tightens palmar aponeurosis (protective factor) | palmaris brevis m. |
| 4 of them, flexors of MCP joints and extensors of IP joints, attache to flexor digitorum profundus tendons, reinforce actions of flexors and extensors | lumbrical muscles |
| which lumbricals are supplied by the median n. | 1st and 2nd |
| which lumbricals are supplied by the ulnar n. | 3rd and 4th |
| 4 of them, deep to lumbricals, supplied by ulnar n., abduct digits and assist lumbricals to flex MCPs and extend IPs | dorsal interosseous muscles |
| 3 muscles, deep to DAB, supplied by ulnar n., adducts digits and assists lumbricals to flex MCPs and extend IPs | palmar interosseous muscles |
| iliopsoas, sartorius, tensor fasciae latae, rectus femoris tendon, pactineus, adductor longus, adductor brevis, adductor magnus (anterior part), and gracilis | flexors of hip |
| pectineus, adductor longus, adductor brevis, adductor magnus, obturator externus, gracilis | adductors of hip |
| obturator externus, piriformis, obturator internus, gemelli, quadratus femoris, gluteus maximus | lateral rotators of hip |
| gluteus maximus, adductor magnus (post. part), semitendinosus, semimembranosus, and biceps femoris long head | extensors of hip |
| gluteus medius, gluteus minimus, tensor fasciae latae | abductors of hip |
| gluteus medius (ant. part), gluteus minimis (ant. part), tensor fasciae latae | medial rotators of hip |
| made up of 2 muscles, does flexion and lateral (external) rotation of hip/thigh | iliopsoas m. |
| 4 muscles; all tendons go over the patella, form patellar ligament, and insert on the tibial tuberosity | quadricep muscles |
| innervation: femoral n. (L2-L4) actions: hip - flexion; knee - extension | rectus femoris m. |
| innervation: femoral n. (L2-L4) action: knee extension | vastus medialis m. |
| innervation: femoral n. (L2-L4) action: knee extension | vastus lateralis m. |
| innervation: femoral n. (L2-L4) action: knee extension | vastus intermedius m. |
| innervation: femoral n. (L2-L3) actions: hip - flexion, abduction, and external rotation; knee - flexion and internal rotation | sartorius m. |
| which m. is the longest in the body | sartorius m. |
| sartorius, gracilis, and semitendinosus make up what | pens anserinus |
| pectineus, adductor longus, adductor brevis, gracilis | superficial medial thigh muscles |
| innervations: femoral n., obturator n. (L2, L3) actions: hip adduction, flexion, and external rotation | pectineus m. |
| innervation: obturator n. (L2-L4) actions: hip adduction, flexion, extension past 80 degrees | adductor longus m. |
| innervation: obturator n. (L2, L3) actions: hip adduction, flexion, extension past 80 degrees | adductor brevis m. |
| innervation: obturator n. (L2, L3) actions: hip adduction, flexion, flexes and internally rotates knee | gracilis m. |
| obturator externus, adductor magnus | deep medial thigh muscles |
| innervation: obturator n. (L3, L4) actions: hip adductor and lat./external hip rotation | obturator externus m. |
| has adductor and hamstring parts innervations: deep - obturator n. (L2-L4); superficial - tibial n. (L4) actions: hip adductors and thigh adduction; hamstring part - extension; adductor part - slight hip/thigh flexion | adductor magnus m. |
| inguinal ligament, sartorius, adductor longus, pectineus, iliopsoas | borders of femoral triangle |
| vastus medialis, sartorius, adductors longus and magnus | borders of adductor canal |
| innervation: inferior gluteal n. actions: extends and laterally rotates hip blood supply: inferior gluteal a. and v. | gluteus maximus m. |
| innervation: superior gluteal n. action: hip abduction and medial rotation blood supply: superior gluteal a. and v. | gluteus medius m. |
| innervation: superior gluteal n. actions: hip abduction and medial rotation blood supply: superior gluteal a. and v. | gluteus minimus m. |
| what is the deepest gluteal m. | gluteus minimus m. |
| innervation: superior gluteal n. actions: hip abduction and medial rotation blood supply: superior gluteal a. and v. | tensor fasciae latae |
| innervation: sacral plexus ant. rami S1-S2 actions: hip lateral rotation and steadies femoral head in acetabulum | piriformis m. |
| triangle-shaped muscles deep to gluteus maximus and medius and inferior to gluteus minimus | piriformis m. |
| innervation: n. to obturator internus action: lat. hip/thigh rotation and steadies femoral head into acetabulum | superior gemelli m. |
| what m. is directly inferior to piriformis m. | superior gemelli m. |
| superior gemelli, obturator internus, inferior gemelli, quadratus femoris | inferior gluteal region muscles |
| innervation: n. to obturator internus actions: lat. hip/thigh rotation and steadies femoral head into acetabulum | obturator internus m. |
| which muscle's tendon lies between the gemelli muscles | obturator internus m. |
| innervation: n. to quadratus femoris actions: lat. hip/thigh rotation and steadies femoral head into acetabulum | inferior gemelli m. |
| innervation: n. to quadratus femoris actions: lat. hip/thigh rotation and steadies femoral head into acetabulum | quadratus femoris m. |
| what m. is the most inferior of the inferior gluteal region muscles | quadratus femoris m. |
| semimembranosus, semitendinosus, biceps femoris long head | hamstrings |
| innervation: tibial n. (L5-S2) actions: hip - extends hip, stabilizes pelvis in sagittal plane; knee - flexion and internal rotation | semimembranosus m. |
| which hamstring is deep to semitendinosus | semimembranosus m. |
| innervation: tibial n. (L5-S2) actions: hip - extends hip, stabilizes pelvis; knee - flexion, and int. rotation | semitendinosus m. |
| innervation: tibial n. (L5-S2) actions: hip - extends hip, stabilizes pelvis in sagittal plane; knee - flexion and ext. rotation | biceps femoris long head m. |
| action: knee - flexion and external rotation | biceps femoris short head m. |
| which m. separates the greater sciatic foramen into two parts | piriformis m. |
| which m. goes through the lesser sciatic foramen | obturator internus m. |
| semitendinosus, semimembranosus, gastrocnemius, and biceps femoris | boundaries of the popliteal fossa |
| iliopsoas, sartorius, tensor fasciae latae, rectus femoris, adductors (except obturator externus) | flexion of hip |
| gluteus medius, gluteus minimus, tensor fasciae latae, ant. parts of gluteal muscles | medial rotation of hip |
| obturator externus, piriformis, obturator internus, gemelli, quadratus femoris, gluteus maximus | lateral rotation of hip |
| gluteus medius, gluteus minimus, tensor fasciae latae | abduction of hip |
| pectineus, adductor longus, adductor brevis, adductor magnus, obturator externus, gemelli | adduction of hip |
| gluteus maximus, semitendinosus, semimembranosus, biceps femoris, adductor magnus (hamstring part) | extension of hip |
| What makes up the posterior wall of the axillary region | subscapularis m. and scapula |
| muscle that makes up the medial wall of the axillary region | serratus anterior m. |
| innervation: tibial n. actions: plantarflexion of foot, weak flexion of leg | gastrocnemius m. |
| gastrocnemius, soleus, plantaris | superficial muscles of posterior leg |
| innervation: tibial n. action: plantarflexion of foot | soleus m. |
| innervation: tibial n. action: plantarflexion of foot | plantaris m. |
| which muscles' tendons form the calcaneal (Achilles) tendon | gastrocnemius lateral and medial heads, soleus, and plantaris |
| popliteus, flexor hallucis longus, flexor digitorum longus, tibialis posterior | deep muscles of posterior leg |
| innervation: tibial n. actions: locks and unlocks knee, weakly flexes knee, med. rotation of fibula | popliteus m. |
| which m. has a "rookie's" tendon | plantaris m. |
| deep m. of posterior leg found in the popliteal fossa | popliteus m. |
| innervation: tibial n. actions: flexes long toe, weak plantarflexion | flexor hallucis longus m. |
| innervation: tibial n. actions: flexes lat. 4 digits, plantarflexion | flexor digitorum longus m. |
| innervation: tibial n. actions: plantarflexion and foot inversion | tibialis posterior m. |
| Tom of Tom, Dick, and very nervous Harry | tibialis posterior tendon |
| Dick of Tom, Dick, and very nervous Harry | flexor digitorum longus tendon |
| and of Tom, Dick, and very nervous Harry | posterior tibial artery |
| very of Tom, Dick, and very nervous Harry | posterior tibial vein |
| nervous of Tom, Dick, and very nervous Harry | tibial nerve |
| Harry of Tom, Dick, and very nervous Harry | flexor hallucis longus tendon |
| the tendons of which 2 muscles cross over each other in the foot | tibialis posterior and flexor digitorum longus |
| tibialis anterior, extensor hallucis longus, extensor digitorum longus, fibularis tertius | muscles of anterior leg |
| innervation: deep fibular n. actions: dorsiflexion of ankle, inversion of foot blood supply: ant. tibial a. insertions: medial metatarsals | tibialis anterior m. |
| innervation: deep fibular n. actions: dorsiflexion of ankle, extend big toe, eversion of foot blood supply: ant. tibial a. goes over the ankle | extensor hallucis longus m. |
| innervation: deep fibular n. actions: dorsiflexion of ankle, extends digits blood supply: ant. tibial a. goes over ankle | extensor digitorum longus m. |
| innervation: deep fibular n. actions: dorsiflexion of ankle, eversion of foot blood supply: ant. tibial a. | fibularis tertius m |
| fibularis longus and fibularis brevis | muscles of lateral leg |
| innervation: superficial fibular n. actions: talocrural joint - plantar flexion; subtalar joint - eversion of foot; supports transverse arch of foot blood supply: fibular a. | fibularis longus m. |
| innervation: superficial fibular n. actions: talocrural joint - plantar flexion; subtalar joint - eversion of foot blood supply: fibular a. | fibularis brevis m. |
| innervation: deep fibular n. actions: extends metatarsalphalangeal and proximal interphalangeal joints | extensor digitorum brevis m. |
| innervation: deep fibular n. action: extends metatarsalphalgeal joint of big toe | extensor hallucis brevis m. |
| where are the longuses of extensor hallucis brevis and extensor digitorum brevis located | anterior compartment of leg |
| extensor digitorum brevis and extensor hallucis brevis | dorsum muscles of foot |
| abductor hallucis, flexor digitorum brevis, abductor digiti minimi | 1st layer of plantar muscles |
| innervation: medial plantar n. actions: abducts and flexes big toe | abductor hallucis m. |
| innervation: medial plantar n. action: flexes digits 2-5 | flexor digitorum m. |
| innervation: lateral plantar n. actions: flexes and abducts pinky toe | abductor digiti minimi m. |
| spans across the bottom of the foot | plantar aponeurosis |
| innervation: medial plantar n. action: helps to realign flexor digitorum in its action | quadratus plantae m. |
| innervation: lateral plantar n. action: helps to aid flexor digitorum longus with flexion and extension | lumbricals of feet |
| tendon that comes from posterior compartment of leg, spans across digits 2-5, and is in the second layer of the plantar foot | flexor digitorum longus tendon |
| flexor hallucis, digiti minimi, adductor hallucis, opponens digiti minimi | 3rd layer of plantar muscles |
| quadratus plantae and lumbricals | 2nd layer of plantar muscles |
| innervation: medial plantar n. action: flexes big toe 2 heads | flexor hallucis brevis m. |
| innervation: lateral plantar n. action: flexes pinky toe | flexor digiti minimi brevis m. |
| innervation: lateral plantar n. action: abducts big toe 2 heads makes a "7" | adductor hallucis m. |
| innervation: lateral plantar n. action: opposition of pinky toe | opponens digiti minimi m. |
| plantar interossei and dorsal interossei | 4th layer of plantar muscles |
| innervation: lateral plantar n. action: adduction of toes | plantar interossei muscles |
| innervation: lateral plantar n. action: abduction of toes | dorsal interossei muscles |
Created by:
emma.scarmon-coyotes
Popular Anatomy sets