Abdominals These muscles have no bones in their area because these organs need room to function. Fibularis longus This muscle everts the foot and assists to plantar flex the ankle. Biceps Brachii The origin of the short head is the coracoid process of the scapula. Flexor digitorum longus The insertion is the distal phalanges of the second through fifth toes. Lumbricals of the foot These muscles are named after the Latin word which means "earthworm," because of their thin, elongated shape. Rectus Capitis Posterior Major The origin is the spinous process of the axis (C- 2). Flexor digiti minimi brevis The insertion is the base of proximal phalanx of fifth toe. Extensor digitorum brevis The nerve innervation is Deep fibular L4, 5, S1. Longus Capitis The origin is the transverse processes of C-3 through C-6. Rhomboid major The muscle adducts the scapula. Flexor hallucis brevis This muscle has two origins that are embedded with the sesamoid bones on the plantar surface of the foot. Biceps femoris This muscles long head tilts the pelvis posteriorly. Plantar interossei This muscle adducts the 3rd-5th toes and flexes the 3rd-5th toes. Extensor hallucis brevis The origin is the dorsal surface of calcaneus. Gluteus Maximus The nerve innervation is Inferior gluteal L5, S1, 2. Abductor Pollicis Longus The nerve innervation is Radial C6, 7, 8. Levator Scapula This muscle is often referred to as a "trigger point" muscle. It can be a common culprit for headaches when tight or strained. Internal Oblique The insertion is the internal surface of the lower three ribs, rectus sheath to linea alba. Deltoid This muscle is called so because it is in the shape of the Greek capital letter delta. Abductor Digiti Minimi The insertion is the base of proximal phalanx of the fifth finger, ulnar surface. Plantaris This muscle is sometimes called the "freshman nerve" due to it often being mistakenly identified as a nerve. Dorsal interossei The nerve innervation is tibial S1, 2. Frontalis This muscle is part of a pair. With the other half on the opposite side of the face. Quadratus plantae The nerve innervation is tibial S1, 2. Pectoralis major The origin is the medial half of clavicle, sternum, and cartilage of first through sixth ribs. Soleus This muscle plantarflexes the ankle. Tibialis posterior The origin is the proximal, posterior shafts of tibia and fibula; and interosseous membrane. Stylohyoid The origin is the styloid process. Extensor digitorum longus The insertion is the middle and distal phalanges of second through fifth toes. Gastrocnemius The origin is the condyles of the femur, posterior surfaces. Spinalis This muscle is part of a group that laterally flexes the vertebral column to the same side. Abductor digiti minimi Despite its name, this muscle is stronger in flexion rather than abduction of the little toe. Flexor digitorum brevis This muscle flexes the middle phalanges of the second through fifth toes. Trapezius The nerve innervation is the spinal portion of cranial nerve Xl (accessory) and ventral ramus C2, 3, 4. Abductor hallucis The origin is the medial process of calcaneus and plantar aponeurosis. Splenius Capitis The nerve innervation is cervical. Popliteus This muscle is often called "the key to the knee" because it is crucial for unlocking the knee joint at the beginning of flexion. Flexor hallucis longus The nerve innervation is tibial L5, S1, 2. Tibialis anterior The insertion is the medial cuneiform and base of the first metatarsal. Subclavius The insertion is the inferior surface of the middle one- third of the clavicle. Medial Pterygoid This muscle elevates the mandible. Semitendinosus The insertion is the proximal, medial shaft of the tibia at pes anserinus tendon. Platysma The nerve innervation is Facial (Vll) Oblique Capitis Inferior The insertion is the transverse process of the atlas (C-1). Extensor hallucis longus This muscle extends the first toe, dorsiflexes the ankle, and inverts the foot. Extensor carpi ulnaris This muscle extends the wrist Adductor hallucis The nerve innervation is tibial L4, 5, S1. Fibularis brevis The insertion is the tuberosity of fifth metatarsal. External oblique This muscle got its name because it's the most superficial muscle of the abdomen and its fibers run in a diagonal direction. Abdominals These muscles have no bones in their area because these organs need room to function. Fibularis longus This muscle everts the foot and assists to plantar flex the ankle. Biceps Brachii The origin of the short head is the coracoid process of the scapula. Flexor digitorum longus The insertion is the distal phalanges of the second through fifth toes. Lumbricals of the foot These muscles are named after the Latin word which means "earthworm," because of their thin, elongated shape. Rectus Capitis Posterior Major The origin is the spinous process of the axis (C- 2). Flexor digiti minimi brevis The insertion is the base of proximal phalanx of fifth toe. Extensor digitorum brevis The nerve innervation is Deep fibular L4, 5, S1. Longus Capitis The origin is the transverse processes of C-3 through C-6. Rhomboid major The muscle adducts the scapula. Flexor hallucis brevis This muscle has two origins that are embedded with the sesamoid bones on the plantar surface of the foot. Biceps femoris This muscles long head tilts the pelvis posteriorly. Plantar interossei This muscle adducts the 3rd-5th toes and flexes the 3rd-5th toes. Extensor hallucis brevis The origin is the dorsal surface of calcaneus. Gluteus Maximus The nerve innervation is Inferior gluteal L5, S1, 2. Abductor Pollicis Longus The nerve innervation is Radial C6, 7, 8. Levator Scapula This muscle is often referred to as a "trigger point" muscle. It can be a common culprit for headaches when tight or strained. Internal Oblique The insertion is the internal surface of the lower three ribs, rectus sheath to linea alba. Deltoid This muscle is called so because it is in the shape of the Greek capital letter delta. Abductor Digiti Minimi The insertion is the base of proximal phalanx of the fifth finger, ulnar surface. Plantaris This muscle is sometimes called the "freshman nerve" due to it often being mistakenly identified as a nerve. Dorsal interossei The nerve innervation is tibial S1, 2. Frontalis This muscle is part of a pair. With the other half on the opposite side of the face. Quadratus plantae The nerve innervation is tibial S1, 2. Pectoralis major The origin is the medial half of clavicle, sternum, and cartilage of first through sixth ribs. Soleus This muscle plantarflexes the ankle. Tibialis posterior The origin is the proximal, posterior shafts of tibia and fibula; and interosseous membrane. Stylohyoid The origin is the styloid process. Extensor digitorum longus The insertion is the middle and distal phalanges of second through fifth toes. Gastrocnemius The origin is the condyles of the femur, posterior surfaces. Spinalis This muscle is part of a group that laterally flexes the vertebral column to the same side. Abductor digiti minimi Despite its name, this muscle is stronger in flexion rather than abduction of the little toe. Flexor digitorum brevis This muscle flexes the middle phalanges of the second through fifth toes. Trapezius The nerve innervation is the spinal portion of cranial nerve Xl (accessory) and ventral ramus C2, 3, 4. Abductor hallucis The origin is the medial process of calcaneus and plantar aponeurosis. Splenius Capitis The nerve innervation is cervical. Popliteus This muscle is often called "the key to the knee" because it is crucial for unlocking the knee joint at the beginning of flexion. Flexor hallucis longus The nerve innervation is tibial L5, S1, 2. Tibialis anterior The insertion is the medial cuneiform and base of the first metatarsal. Subclavius The insertion is the inferior surface of the middle one- third of the clavicle. Medial Pterygoid This muscle elevates the mandible. Semitendinosus The insertion is the proximal, medial shaft of the tibia at pes anserinus tendon. Platysma The nerve innervation is Facial (Vll) Oblique Capitis Inferior The insertion is the transverse process of the atlas (C-1). Extensor hallucis longus This muscle extends the first toe, dorsiflexes the ankle, and inverts the foot. Extensor carpi ulnaris This muscle extends the wrist Adductor hallucis The nerve innervation is tibial L4, 5, S1. Fibularis brevis The insertion is the tuberosity of fifth metatarsal. External oblique This muscle got its name because it's the most superficial muscle of the abdomen and its fibers run in a diagonal direction.
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M-These muscles have no bones in their area because these organs need room to function.
A-This muscle everts the foot and assists to plantar flex the ankle.
O-The origin of the short head is the coracoid process of the scapula.
I-The insertion is the distal phalanges of the second through fifth toes.
M-These muscles are named after the Latin word which means "earthworm," because of their thin, elongated shape.
O-The origin is the spinous process of the axis (C-2).
I-The insertion is the base of proximal phalanx of fifth toe.
N- The nerve innervation is Deep fibular L4, 5, S1.
O-The origin is the transverse processes of C-3 through C-6.
A-The muscle adducts the scapula.
M- This muscle has two origins that are embedded with the sesamoid bones on the plantar surface of the foot.
A-This muscles long head tilts the pelvis posteriorly.
A-This muscle adducts the 3rd-5th toes and flexes the 3rd-5th toes.
O- The origin is the dorsal surface of calcaneus.
N-The nerve innervation is Inferior gluteal L5, S1, 2.
N-The nerve innervation is Radial C6, 7, 8.
M-This muscle is often referred to as a "trigger point" muscle. It can be a common culprit for headaches when tight or strained.
I-The insertion is the internal surface of the lower three ribs, rectus sheath to linea alba.
M-This muscle is called so because it is in the shape of the Greek capital letter delta.
I-The insertion is the base of proximal phalanx of the fifth finger, ulnar surface.
M-This muscle is sometimes called the "freshman nerve" due to it often being mistakenly identified as a nerve.
N-The nerve innervation is tibial S1, 2.
M-This muscle is part of a pair. With the other half on the opposite side of the face.
N-The nerve innervation is tibial S1, 2.
O-The origin is the medial half of clavicle, sternum, and cartilage of first through sixth ribs.
A-This muscle plantarflexes the ankle.
O-The origin is the proximal, posterior shafts of tibia and fibula; and interosseous membrane.
O-The origin is the styloid process.
I-The insertion is the middle and distal phalanges of second through fifth toes.
O- The origin is the condyles of the femur, posterior surfaces.
A-This muscle is part of a group that laterally flexes the vertebral column to the same side.
M- Despite its name, this muscle is stronger in flexion rather than abduction of the little toe.
A-This muscle flexes the middle phalanges of the second through fifth toes.
N-The nerve innervation is the spinal portion of cranial nerve Xl (accessory) and ventral ramus C2, 3, 4.
O-The origin is the medial process of calcaneus and plantar aponeurosis.
N-The nerve innervation is cervical.
M-This muscle is often called "the key to the knee" because it is crucial for unlocking the knee joint at the beginning of flexion.
N-The nerve innervation is tibial L5, S1, 2.
I-The insertion is the medial cuneiform and base of the first metatarsal.
I-The insertion is the inferior surface of the middle one-third of the clavicle.
A-This muscle elevates the mandible.
I-The insertion is the proximal, medial shaft of the tibia at pes anserinus tendon.
N-The nerve innervation is Facial (Vll)
I-The insertion is the transverse process of the atlas (C-1).
A-This muscle extends the first toe, dorsiflexes the ankle, and inverts the foot.
A-This muscle extends the wrist
N-The nerve innervation is tibial L4, 5, S1.
I-The insertion is the tuberosity of fifth metatarsal.
M-This muscle got its name because it's the most superficial muscle of the abdomen and its fibers run in a diagonal direction.
