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      Help contribute, donate via PayPal or join with a monthly Patreon contribution.   01/01/17

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About flamedelft

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  • This profile is a...
    real profile.
  • Gender
  • Orientation
  • What are your stats?
    Sitting at about 68 kg (150 lbs), 5'9'' (175cm).
  • What are your dream stats?
    While I'd like to be bigger, I'm happy with my weight right now. I'll leave the massiveness and growth to you monsters ;)
  • Favorite Bodybuilders
    Frank Mannarino, Alexei Lesukov
  • Got Any Fetishes?
    Size difference,
    role reversal/uncommon roles (e.g. monstrous power bottom, dumb muscle bodyguard who adores his small master...),
    oversized body parts (obviously muscles, but even hands, feet, tongue...)

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  1. Nice story, I really liked it, and I hope we'll get more from you!
  2. Nice start, but the text is unreadable in the light theme unless I highlight it, if you could remove formatting, that would be nice.
  3. I'll check it out later, but the warning for gay material is unnecessary here
  4. Not sure if you'd be banned, but yeah, most people here would probably not like a story that has allusion to "conversion therapy". Also, Greek gods transforming a gay man into a straight man? In my opinion, that doesn't seem very plausible to be honest.
  5. It's interesting, and they source their articles It does sound plausible, it's basically that they have a bit different ligaments (weaker?) which change the flexibility of the foot. Cool, thanks!
  6. Iirc, they said they could stretch it into May if there's going to be more people than days in April.
  7. Anatomy threads: Foot, Lower leg Note: I left the muscles of the pelvis (glutes, iliopsoas, the rotators of the hip...) for the next chapter even though they could very easily belong here. I'm splitting the body into these chunks, just so it's easier for me. Remember that the whole body is connected. Dictionary: Sesamoid bone: bone that is embedded in a tendon or a muscle. Their function is better force transmission of the muscles. Bones: Right femur from the front: http://www.bartleby.com/107/Images/large/image244.gif Right femur from the back: http://www.bartleby.com/107/Images/large/image245.gif Femur, the thigh bone. It's the longest bone in the body. When you're standing, it is mostly slanted thanks to its structure. The head (the globular part that juts out) goes downward and laterally from the pelvis, then the bone takes a turn, and the rest of the body goes downward medially until it meets the tibia. (Illustration from wikipedia https://upload.wikimedia.org/wikipedia/commons/thumb/c/ca/Human_skeleton_front_en.svg/350px-Human_skeleton_front_en.svg.png ) Things of note: Trochanter: A bump on the body, there are two (greater and lesser) at the proximal end. Muscles attach to these. Condyles and epicondyles: Eminences on the distal end of the femur, near the knee joint. Muscles begin here (in the lower leg thread, the m. gastrocnemius begins on these). Patella: Flat bone, it looks like a shallow bowl, which is what it's named after. Largest sesamoid bone in the body. Makes it easier for the quadriceps muscle to do its job of extending leg at the knee, demonstration: http://i.imgur.com/KSMB2tI.mp4 Joints: The Knee joint is made of two joints - one between the femur and the tibia, and one between the femur and the patella. Allows mainly flexion/extension, with a little bit of rotation of the tibia. The hip joint will be described in the next chapter. Muscles: Right leg from the front (also showing a few of the adductors): http://www.bartleby.com/107/Images/large/image430.gif Front group: M. quadriceps femoris As it name suggests, it has four heads (actually, recently it was determined that there could be five distinct heads https://www.ncbi.nlm.nih.gov/pubmed/26732825, but afaik, the good ol' quadriceps will suffice). Three of the heads begin at the femur, they're called 'vastus medialis', vastus intermedius' and 'vastus lateralis'. Vastus intermedius is the deepest one, and is covered by the other three heads. Vastus medialis is the 'teardrop' on the medial side of the thigh and vastus lateralis is the lateral mass. The fourth head, 'rectus femoris', originates higher, on the pelvis from a bump called 'spina iliaca anterior inferior'. The four heads create a singular tendon, which inserts into the front of tibia. Patella is in this tendon, and the portion below the patella is also called 'ligamentum patellae'. Action: Extending the knee, rectus femoris also flexes the hip. M. sartorius Longest muscle in the body. It originates from the 'spina iliaca anterior superior' (this bump is higher than the bump where the rectus femoris begins). From there, it goes downward and medially, and it inserts to the medial side of the top of the tibia, along with two other muscles, the m. gracilis and the m. semitendinosus (described later in this chapter). This insertion point is also called 'pes anserinus', or 'goose foot'. Very clearly visible on this gentleman, Robert Piotrkowicz, it's the rope of muscle that goes from his hip towards his calves on the inside/behind the teardrop of his vastus medialis. Action: Thanks to its attachments and course, it flexes the thigh at the hip, flexes the knee and rotates the thigh outward. Especially helpful when you want to cross one leg and rest it on the other, like this. This could be a potential origin of its name, because tailors may used that position a lot, and in latin, 'tailor' is 'sartor'. Right leg from the medial front: http://www.bartleby.com/107/Images/large/image433.gif Medial group (adductors): M. pectineus, smallest of the bunch, it originates from the pectineal line on the pubical bone of your pelvis (I'll describe the pelvis in more detail in the next chapter). Goes downward, backward and laterally to the backside of the upper part of the femur. M. adductor brevis. The short adductor. It's pretty triangular, it also originates on the pubical bone, and travels down, back and laterally to the backside of the femur, behind the pectineus and part of the m. adductor longus. M. adductor longus. The long adductor. Most superficial of these three. Also originates from the pubic bone and inserts into the back side of the femur. M. adductor magnus. The big adductor. Originates from the ischial tuberosity and adjacent parts of the pubic and ischial bones. It spread laterally and downwards, inserts into the back of the femur and at the medial condyle of the femur. M. gracilis. The slender man adductor. Most superficial of all the adductors. It is a thin flat strip that goes from the pubic bone straight down and inserts into the 'pes anserinus' with m. sartorius and m. semitendinosus (on the medial side of the top of the tibia). If you've had a sore medial side of the thigh after things like skating, it was most likely these guys. Action: They adduct (pull towards the midline of the body) the legs, or resist their abduction (pulling apart), so you don't have to skate in full splits. Right leg from behind (also showing m. adductor magnus, m. gracilis, and the pes anserinus): http://www.bartleby.com/107/Images/large/image434.gif Back group (hamstrings): M. biceps femoris Yup, you got a biceps in your legs too! The long head originates from the pelvis, the ischial tuberosity to be precise. You can feel those if you sit on your hands, they're the bony bumps you're sitting on. The short head originates from the back of the femur, in the lower ~third. The two heads go downward and laterally, join together, and then insert at the head (top most part) of the fibula. M. semitendinosus This has very long tendons, hence the name. Begins at the ischial tuberosity of the pelvis like the biceps, but goes straight down, and inserts into the aforementioned 'pes anserinus'. M. semimembranosus Also begins at the ischial tuberosity (these muscles have no imagination, seriously). Like the m. semitendinosus it goes straight down, but inserts a bit further down and from the back. The tendons of these three muscles are pretty easily palpable at the back of your knee when you forcefully bend it. Action: Bending/flexion at the knee, and they can participate on the extension of the thigh at the hip. M. biceps femoris can aid with the outward rotation of the thigh. Quiz: 1) Which muscle(s) insert into the pes anserinus? [ ] M. biceps femoris [ ] M. sartorius [ ] M. gracilis [ ] M. pectineus [ ] M. semimembranosus 2) Which of these the m. sartorius cannot do? [ ] Flexion at the hip [ ] Extension at the knee [ ] Outward rotation of the leg 3) How many heads does the m. quadriceps femoris have? Food for thought: I got nothing here. :/ --- As always, any comments and questions (and maybe some food for thought) always welcome!
  8. I'll take April 19th
  9. Anatomy threads: Foot, Thigh Dictionary: Dorsiflexion and plantarflexion: These terms refer to movement of your foot towards you (for example, when you're stretching your calves, or when you walk on your heels) and away from you (think ballet, when you walk on your toes). Inversion and eversion: These terms refer to movement of your foot to the sides. Inversion is making the sole face medially (if you do this on both sides while you're standing, you'll be touching the floor with the lateral sides of your feet), eversion is the opposite, making the sole face laterally. Additional note: the peroneal muscles are also called fibularis muscles (since they arise mainly from the fibula) Bones: Right leg from the front: http://www.bartleby.com/107/Images/large/image258.gif Right leg from the back: http://www.bartleby.com/107/Images/large/image259.gif These pictures also show the places of origin and insertion of several muscles. Your lower leg has two bones, the bigger tibia (shin bone) and the smaller fibula. Tibia is triangular in the cross-section, and it has very wide ends in comparison to it's body. Fibula is smaller and more slender in comparison to tibia, it doesn't bear much weight, but it does form a part of the joint with the foot. The top parts of these bones have several insertions for muscles descending from the pelvis and the thigh, I'll describe them in the next chapter. The lowest parts of these two bones are easily palpable, creating the bony bumps (sg. malleolus, pl. malleoli) at your ankle (tibia makes the medial one, fibula the lateral one). Joints: The two bones have two joints together, the proximal tibiofibular, just under the knee, and the distal tibiofibular, just above the ankle. Both joints have limited mobility. The bodies of these bones are also joined by fibrous membrane (also called "interosseous membrane"), which is also a place of origin of several muscles. They also articulate with the talus of the foot (talocrural joint) and tibia articulates with the femur (thigh bone) at the knee joint (to be described in the next chapter). The talocrural joint allows the foot dorsiflexion and plantarflexion. In the last chapter, I didn't mention the subtalar joint (joint between the talus and calcaneus) specifically, while they do consist of foot bones, the movement they allow, inversion and eversion, is created by the action of the muscles of the lower leg. Muscles: Right lower leg from the front, showing the anterior and lateral groups of muscle: http://www.bartleby.com/107/Images/large/image437.gif The anterior group: M. tibialis anterior The most superficial muscle of this group, originates at the upper lateral side of the tibia, from the it goes downward, and just above the malleoli it goes diagonally to the medial side of the shin, where it inserts at the underside of the medial side of the medial cuneiform and metatarsal bone. Action: Inversion and dorsiflexion. M. extensor digitorum longus Mostly hidden below the m. tibialis anterior, it originates from the upper lateral side of the tibia, upper part of the interosseous membrane and the upper front side of the fibula. Then it goes downward, the tendon splits into four parts and inserts into the top of the middle and distal phalanges of the four toes. Action: Bends the four toes upwards. M. extensor hallucis longus Originates from the front middle half of fibula and the interosseous membrane. It goes downward and medially, where its tendon inserts to the top of the distal phalanx of the big toe. Action: Bends the big toe upwards. M. peroneus tertius (also called m. fibularis tertius) Originates from the front lower third of the fibula and the interosseous membrane. Goes downward, and inserts into the top of the proximal end of the fifth metatarsal bone. This muscle can be absent in some people. Action: Dorsiflexion and eversion. The lateral group: M. peroneus longus The longer and more superficial peroneal muscle, it originates from the upper lateral two-thirds of the fibula, it travels downward, behind the lateral malleolus, and then further down, it wraps around the cuboid bone and it inserts at the lateral sides of the proximal end of first metatarsal bone and the medial cuneiform bone from below. Action: Thanks to its course, it creates plantarflexion and eversion. M. peroneus brevis Originates from the lower lateral two-thirds of the fibula. It runs similarly to the long peroneal, downward and behind the lateral malleolus, but it inserts into the lateral side of the proximal end of the fifth metatarsal bone. Action: Plantarflexion and eversion (the latter function doesn't work as well if the foot is plantarflexed). Right leg from behind, deep layer: http://www.bartleby.com/107/Images/large/image439.gif The deep posterior group: M. tibialis posterior The deepest muscle of the posterior group, it begins from basically the whole of the backside of the interosseous membrane, from the lateral side of the tibia and from the upper two-thirds of the medial side of fibula. From there it goes downward, and behind the medial malleolus. It is inserted into the calcaneus, the navicular, all three cuneiform, cuboid and the proximal ends of the middle three metatarsal bones from below. Action: Plantarflexion, inversion. M. flexor digitorum longus The meaty part is on the medial side of the lower leg, originates from most of the backside of the tibia. The tendon goes downward, behind the medial malleolus, to the underside of the foot, where it splits into four parts, which insert into the distal phalanges of the four toes. (Also depicted in the picture for the mm. lumbricales and m. quadratus plantae in the foot chapter.) Action: Bends the toes downwards (vector of pull is helped by the m. quadratus plantae), plantarflexion. M. flexor hallucis longus It begins from the back of the fibula, goes downward and behind the medial malleolus, then goes straight to its insertion at the distal phalanx of the big toe. Action: Bends the big toe downwards, plantarflexion. M. popliteus This triangular muscle originates from the lateral condyle of the femur (thigh bone), from where it goes obliquely downward and medially, it inserts into the upper posterior part of the tibia. Action: helps with bending of the knee, and if the knee is already bent, it can rotate the tibia. Right leg from behind, superficial layer (m. gastrocnemius is cut away to show the soleus and the plantaris): http://www.bartleby.com/107/Images/large/image438.gif The superficial posterior group: Triceps surae, the calf muscle. We're finally moving into more familiar waters. If you didn't know, 'triceps' means 'three-headed' (and similarly, 'biceps' = 'two-headed', 'quadriceps' = 'four-headed'). It's called that because there are three pretty clearly separate heads (or muscle bellies). 'Surae' means 'of the calf'. This muscle is also commonly described as two muscles, the m. gastrocnemius and the m. soleus. M. gastrocnemius The most superficial muscle of the posterior group, its two heads begin from the upper sides of the femoral condyles (will describe in the next chapter). They both go downward, meet up in roughly the middle of the calf and then continue as tendon which merges with the tendon of the m. soleus, and is inserted into the back of the calcaneus. This tendon is also called the Achilles tendon. Action: Plantarflexion (especially with a straight knee), bending of the knee. M. soleus Lies below the m. gastrocnemius, originates from the upper back third of the fibula, middle back third of tibia. Inserts into the back of the calcaneus through the Achilles tendon. Action: Plantarflexion. M. plantaris Small muscle, it originates on the lateral backside of the femur near it's proximal end, it runs downward and medially between m. gastrocnemius and m. soleus and inserts at the medial part of the Achilles tendon to the back of the calcaneus. Quiz: 1) How many muscles are there in a lower leg? 2) What is the action of these muscles: M. soleus, m. tibialis anterior, m. extensor digitorum longus. 3) Which of these muscle's tendons go behind the lateral malleolus? [ ] M. peroneus longus [ ] M. peroneus tertius [ ] M. tibialis posterior [ ] M. peroneus brevis Food for thought: If you're working out your calves, do you do seated or standing calf raises? Both, neither? Do you do some other exercise that workout your plantarfexors? Do you train your dorsiflexors as well? What about the other muscles (the ones that allow your feet the movement of eversion and inversion)? How could you train them, and what benefit it could have? How well can you walk on your toes, or on your heels? --- The second part. As always, any and all questions (as well as pointing out typos and other goofs) welcome.
  10. Thanks for reading! I know of variant muscles that some have and some don't, definitely plan on mentioning them. Haven't heard of that joint thing you mentioned, I'd be interested in those resources. As to the evolution of the body parts over time, that's not really my expertise, and I'm not all that interested in it, so someone else will have to do that
  11. That's some thick neck!
  12. http://www.pridesites.com/omelissokomos/bbmsn/finding-santa.html Finding Santa by bbmsn?
  13. Well it isn't a simple jerk-off fantasy, that's for sure. Though far from boring imo. And what's in the archive isn't the whole story.
  14. It's on Amazon as an e-book.
  15. Anatomy threads: Lower leg, Thigh Hello! So I've thought I'd do this to share some knowledge to you guys and to review this stuff for myself. I know that feet aren't exactly the part that you work out in the gym specifically, but they are kinda important in the everyday life. For ease of sourcing images, I'll be taking them off of Henry Gray's Anatomy of the Human Body, which is freely accessible over at http://www.bartleby.com/107/, it also contains further and deeper commentary and descriptions. After trying out the images, I think pure links are better, the pictures on the website seem to be either too small or too large. Notice: I'll be describing the anatomical 'normal', variations and exceptions are possible. If you're worried about something, ask your doctor/physiotherapist. Before we start, a short dictionary (if you don't understand something, feel free to ask!): Anterior/posterior - thing lies towards the front/back of the body. Your metatarsals lie in front of your tarsal bones, they are anterior in relation to them. They are more back than your phalanges, so they are posterior in relation to them. Medial/lateral - towards the midline of the body/away from it. Your third toe is medial in relation to the fifth/small toe, but lateral in relation to the big toe. Superior/inferior - lies upwards/downwards, in anatomy these are not used as indicators of quality (better/worse). Your torso is superior in relation to your legs, but inferior in relation to your head. Proximal/distal - closer to the middle of your body/further away. The wrist end of your forearm is distal, the elbow end is proximal. Origin/insertion - anatomically defined beginnings/ends of the muscles. Usually the origin is more proximal than the end. Bones: Since the muscles don't just float around under your skin, I think it's appropriate to actually start with the bones. There are 3 parts to the foot (from the back to the front): the tarsus, the metatarsus and the phalanges. Right foot from below: http://www.bartleby.com/107/Images/large/image269.gif Right foot from above: http://www.bartleby.com/107/Images/large/image268.gif There are 7 tarsal bones, calcaneus, talus, cuboid, navicular and 3 cuneiforms. Calcaneus is your heel. Talus is the bone that connects your foot to your lower leg, it sits on top and to the front of the calcaneus. Then you have the navicular, cuboid and 3 cuneiforms sitting in front, these basically form the top of two arches of the foot. Number of foot arches can vary from author to author, for now I'm okay with the number three, roughly like this: http://teachmeanatomy.info/wp-content/uploads/image5-713x1024.jpg There are 5 metatarsal bones, they connect the cuneiforms and cuboid bones with the phalanges. And finally we come to the phalanges, we have 14 of them (2 in the big toe, 3 in each of the rest). Note: There are also sesamoid bones, which are usually found in the lower limb, for more info: http://www.bartleby.com/107/67.html Joints: Connections between the bones. The amount of movement they allow depends on several factors, e.g. the ones between your skull bones are much more rigid than the ones in your hand. Words in brackets indicate the location of the second bone in relation to the first. E.g.: Calcaneus articulates with the cuboid bone (anterior). This indicates that the cuboid bone is in front the calcaneus. In the foot, the calcaneus articulates (has a joint) with the talus (anterior/superior) and cuboid (anterior) bone. Talus articulates with the tibia and fibula of the lower leg (superior), as well as the calcaneus (posterior/inferior) and the navicular (anterior) bones of the foot. Navicular bone articulates with the talus (posterior), the 3 cuneiforms (anterior), and the cuboid (lateral). The cuboid bone articulates with the calcaneus (posterior), navicular (medial) and the third cuneiform (medial) and the fourth and fifth metatarsals (anterior). The three cuneiforms articulate with each other(medial/lateral), the navicular (posterior), first three metatarsals (anterior) and the third cuneiform articulates with the cuboid (lateral). Metatarsals articulate with the cuboid and cuneiforms (posterior) and the proximal phalanges (anterior). Phalanges articulate with each other and the metatarsals (posterior). Muscles: Yay, finally we get to the meat of this thing (pun totally intended )! The foot has two groups of muscles acting on it, the short (also called the intrinsic) muscles, which originate and end on the foot, and the long muscles, which originate on the lower leg and end on the foot. In this chapter I'll cover only the short ones, since then there would be barely any left for the lower leg itself. I'll be going from the deeper musclus to the more surface ones. Musculi (mm.) interossei plantares Left foot from below, show the muscles: http://bartleby.com/107/Images/large/image447.gif These guys lie more below than between bones. There are three of them, they originate on the third, fourth and fifth metatarsals, and they insert/end on the medial side of the proximal phalanges of the same toe (fifth metatarsal to fifth proximal phalange). Action: they pull (adduct) their toes towards the line going through the second toe. Mm. interossei dorsales Left foot from above: http://bartleby.com/107/Images/large/image446.gif As their name says, these lie between the metatarsal bones. There are four of them, they have two origins and one end (sort of like the m. biceps brachii). They originate on both of the metatarsals they are between. The first (most medial one) originates on the first and second metatarsal, the second originates on the second and third metatarsal and so on. The first one ends on the medial side of the proximal phalange of the second toe, and the last three end on the lateral side of the proximal phalange of the corresponding toe (second m. interosseus dorsalis goes to the second toe, third to the third toe, fourth to the fourth toe). Action: they pull (abduct) the toes away from the line going through the second toe. Right foot from below, showing the next three muscles: http://bartleby.com/107/Images/large/image445.gif Musculus (m.) flexor hallucis brevis (translates to something like 'short flexor of the big toe') This one originates from the cuboid bone, third cuneiform and from the tendon of the m. tibialis posterior. It splits and inserts to the medial and lateral side of the first phalange of the big toe. (And both the insertions have sesamoid bones.) Action: Bends (flexes) the toe downwards. M. adductor hallucis This one has two parts. The oblique part originates from the proximal parts of the 2. - 4. metatarsals, the tendon of m. peroneus longus. The transverse part originates from the metatarsophalangeal joints of the 3. - 5. toes. The both insert into the lateral side of the proximal phalange of the big toe. Action: Pulls (adducts) the big toe towards the second toe. M. flexor digiti quinti/minimi brevis (short flexor of the fifth/little toe) Originates from the proximal part of the fifth metatarsal and the tendon of the m. peroneus longus. Inserts into the lateral side of the proximal phalange of the fifth toe. Action: Bends the toe downwards and pulls it towards (flexes and adducts) the other toes. Right foot from below, showing the next two muscles: http://www.bartleby.com/107/Images/large/image444.gif Mm. lumbricales (worm muscles) They originate on the tendons of the long flexor of the toes (next chapter), and they insert at the tendons of the long extensor of the toes (at the first phalanges). They are unique, as unlike other muscles (afaik), they don't have attachment to a bone, they connect tendons only. Action: Bending the toes downwards at the metacarpophalangeal joints, and aiding in straightening the phalanges relative to one another. M. quadratus plantae (square of the foot) Originates from the calcaneus and inserts into the tendon of the long flexor of the toes. Action: Aids with bending the toes downwards. Right foot from below, showing the next three muscles: http://www.bartleby.com/107/Images/large/image443.gif M. abductor hallucis (the abductor of the big toe) Begins at the medial side of calcaneus, is inserted at the medial side of the first phalanx of the big toe. Action: Pulls the big toe medially. M. abductor digiti quinti (the abductor of the fifth/little toe) Begins at the lateral side of the calcaneus, and inserts on the lateral side of the first phalanx of the little toe. Action: Pulls the little toe laterally. M. flexor digitorum brevis (the short flexor of the toes) Begins from the calcaneus, separates into four tendons which each split into two again and insert on the sides of the second phalanges of the second to fifth toe. The split creates a channel through which the long flexor goes trough (the long flexors end on the third phalanges). Action: Bends the toes downwards. Foot from above, showing the next two muscles: https://s-media-cache-ak0.pinimg.com/236x/95/55/3d/95553ddb24993a0e8cf5d164a910cf81.jpg M. extensor digitorum brevis (short extensor of the toes) Begins at the calcaneus and inserts at the lateral side of the tendons of the long extensor of the toes (second, third and fourth toe). Action: Aids in pulling the three toes upwards. M. extensor hallucis brevis (short extensor of the big toe) Begins at the calcaneus (just medially to the short extensor of the toes) and inserts into the first phalanx of the big toe. Action: Pulls the big toe upwards. Quiz: 1) How many intrinsic muscles are there in the foot? (Don't count separate parts, e.g. mm. lumbricales count as one, despite having four separate parts) 2) Which of these don't have connection to a bone? a] mm. abductor hallucis b] extensor hallucis c] mm. lumbricales 3) What is the action of the mm. interossei dorsales? Bending the toes downwards Bending the toes upwards Pulling the toes apart from each other Pulling the toes together Food for thought: There's variety of muscles that allow the toes to move in various ways. Try it out yourself, how can you voluntarily move your toes? Is there difference what you can do with the left vs the right? Can you lift up your big toe without lifting the other toes? Can you lift up your toes without lifting the big toe? Can you spread your toes apart from each other (with your abductors)? Are you able to grab something (e.g. a t-shirt) from the floor? --- That's all for now! Thank you for reading! Any critique (contents, formatting, typs, other...) very much welcome! Questions from me: Do you also want to know the innervation, and how precisely? How precise do you think I should be when describing origins/insertions? Is the current level okay, or do you want more precision? (And should I be precise the same way in all the body parts, or do you think it's more valuable to be precise on e.g. upper arm muscles, but it's okay to be less precise on the muscles of the foot?) What about joints and/or ligaments, do you want more description?