Practical Class 3: Functional Anatomy - The Upper Limb Flashcards
Define
Lower limb
The lower part of the human body, including the legs, pelvis, and feet, responsible for supporting weight, movement, and balance.
Define
Pelvic fractures
Breaks or cracks in the bones of the pelvis, which can lead to severe internal bleeding and are common in older adults following a fall.
Define
Symphysis pubis
The joint between the left and right pubic bones, located in the front of the pelvis.
Define
Iliac crest
The top curved edge of the ilium, the largest bone of the pelvis, which is important for muscle attachment and plays a role in leg movement.
Define
Gluteus maximus
A large muscle in the buttocks responsible for movements such as thigh abduction, which can be affected by injuries to the iliac crest.
Define
Abduction
Movement of a limb away from the midline of the body, such as moving the thigh outward.
Define
Pelvis
A deep, basin-like structure in the body formed by the two hip bones (os coxae), sacrum, and coccyx, providing support for the upper body and protection for pelvic organs.
Define
Hip bones (os coxae)
The two large bones that form the sides of the pelvis, composed of three fused bones: the ilium, ischium, and pubis.
Define
Sacrum
A triangular bone at the base of the spine that connects the spine to the pelvis.
Define
Coccyx
The small, triangular bone at the very end of the vertebral column, commonly referred to as the tailbone.
Define
Pelvic girdle
The ring-like bony structure formed by the hip bones and the sacrum, which connects the lower limbs to the axial skeleton and supports pelvic organs.
Define
Ilium
The uppermost and largest part of the hip bone, contributing to the structure of the pelvis.
Define
Anterior superior iliac spine
A bony projection on the front of the ilium, providing attachment points for muscles and ligaments.
Define
Anterior inferior iliac spine
A smaller bony projection located below the anterior superior iliac spine on the ilium.
Define
Posterior superior iliac spine
A bony prominence on the back of the ilium, important for muscle attachment.
Define
Posterior inferior iliac spine
A small projection located below the posterior superior iliac spine on the ilium.
Define
Ischium
The lower, rear portion of the hip bone, forming the base of the pelvis.
Define
Ischial tuberosity
A large, rounded area on the ischium that supports body weight when sitting.
Define
Pubis
The front portion of the hip bone, forming the anterior part of the pelvis.
Define
Pubic symphysis
The cartilaginous joint where the left and right pubic bones meet at the front of the pelvis.
Define
Acetabulum
The cup-shaped socket formed by the fusion of the ilium, ischium, and pubis, where the head of the femur (thigh bone) fits, forming the hip joint.
Define
Femur
The longest and strongest bone in the body, which connects the hip to the knee by articulating with the acetabulum at the hip and with the patella and tibia at the knee.
Define
Patella
A triangular sesamoid bone embedded within the quadriceps tendon, commonly known as the kneecap, that protects the knee joint.
Define
Tibia
The larger and stronger of the two lower leg bones, also known as the shinbone, which bears the weight of the body from the femur and transmits it to the foot.
Define
Fibula
A slender bone located alongside the tibia in the lower leg, which does not bear weight but serves as an attachment site for several muscles.
Define
Interosseous membrane
A fibrous sheet that spans the space between the tibia and fibula, helping to maintain the position of these bones relative to each other.
Define
Linea aspera
A ridge of roughened surface on the posterior side of the femur, serving as an attachment point for muscles.
Define
Gluteal tuberosity
A roughened area on the upper part of the posterior femur where the gluteal muscles attach.
Define
Greater trochanter
A large bony prominence on the upper femur, serving as a major site of muscle attachment.
Define
Femoral epicondyles
The rounded protrusions on the distal end of the femur, located medially and laterally, which serve as attachment points for ligaments.
Define
Femoral condyles
The rounded articular surfaces at the distal end of the femur that interact with the tibia and patella to form the knee joint, located medially and laterally.
Define
Tibial condyles
The upper parts of the tibia, medial and lateral, that interact with the femur to form the knee joint.
Define
Tibial tuberosity
A bony prominence on the anterior aspect of the tibia, below the knee, where the patellar ligament attaches.
Define
Anterior margin (shin)
The sharp, prominent ridge of the tibia that forms the shin.
Define
Medial malleolus
The bony prominence on the inner side of the ankle, formed by the lower end of the tibia.
Define
Lateral malleolus
The bony prominence on the outer side of the ankle, formed by the lower end of the fibula.
Define
Tarsals
A group of seven bones in the foot that form the ankle and heel, including the talus and calcaneus.
Define
Talus
One of the tarsal bones that articulates with the tibia and fibula, forming the ankle joint.
Define
Calcaneus
The largest tarsal bone, commonly known as the heel bone, which bears much of the body’s weight during standing and walking.
Define
Metatarsals
The five long bones of the foot that connect the tarsal bones to the phalanges, forming the structure of the arch and ball of the foot.
Define
Phalanges
The bones of the toes, consisting of three bones per toe (except the big toe, which has two).
Define
Hip joint
A ball-and-socket joint formed between the acetabulum of the hip bone and the head of the femur, allowing a wide range of movement in the lower limb.
Define
Ball-and-socket joint
A type of joint that allows for multi-directional movement and rotation, found in the hip and shoulder joints.
Define
Bowing
A movement at the hip joint where the thigh remains fixed and the trunk bends forward.
Define
Knee joint
A hinge joint formed by the femur, tibia, and patella, allowing primarily flexion and extension, with some rotation when the knee is flexed.
Define
Hinge joint
A type of joint that permits movement in one plane, similar to the motion of a door hinge, such as the knee and ankle joints.
Define
Flexion
A movement that decreases the angle between two body parts, such as bending the knee or lifting the foot upwards at the ankle (dorsiflexion).
Define
Extension
A movement that increases the angle between two body parts, such as straightening the knee or pushing the foot downwards at the ankle (plantar flexion).
Define
Joint capsule
A fibrous tissue that encloses a joint, providing stability and helping to control movement at the joint.
Define
Cruciate ligaments
Two ligaments inside the knee joint, named for their cross-shaped arrangement, that stabilize the knee by preventing excessive forward and backward movement of the tibia relative to the femur.
Define
Quadriceps (patellar) tendon
A strong tendon that connects the quadriceps muscles to the patella, playing a key role in extending the knee.
Define
Tibiofibular joints
Two joints between the tibia and fibula bones: the proximal joint located below the knee and the distal joint located just above the ankle.
Define
Ankle joint
A hinge joint formed by the tibia, fibula, and talus, allowing movements such as dorsiflexion (lifting the foot upwards) and plantar flexion (pointing the foot downwards).
Define
Dorsiflexion
A movement at the ankle joint where the foot is lifted upwards towards the leg, such as raising the toes towards the knee.
Define
Plantar flexion
A movement at the ankle joint where the foot is pushed downwards, pointing the toes as in ballet.
Define
Origin
The attachment site of a muscle to a stationary bone, usually the bone closer to the center of the body.
Define
Insertion
The attachment site of a muscle to a bone that moves when the muscle contracts, typically farther from the center of the body.
Define
Hamstrings
A group of three muscles (biceps femoris, semimembranosus, and semitendinosus) located at the back of the thigh, responsible for extending the thigh at the hip joint and flexing the leg at the knee joint.
Define
Quadriceps Femoris
A group of four muscles (rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis) located at the front of the thigh, primarily responsible for extending the leg at the knee joint.
Define
Rectus Femoris
One of the quadriceps muscles, originating from the anterior inferior iliac spine and inserting at the tibial tuberosity; involved in flexion of the thigh at the hip joint and extension of the leg at the knee joint.
Define
Vastus Lateralis
One of the quadriceps muscles, originating from the greater trochanter of the femur and inserting at the tibial tuberosity; involved in the extension of the leg at the knee joint.
Define
Vastus Intermedius
One of the quadriceps muscles, originating from the anterior proximal femoral surface and inserting at the tibial tuberosity; involved in the extension of the leg at the knee joint.
Define
Vastus Medialis
One of the quadriceps muscles, originating from the linea aspera of the femur and inserting at the tibial tuberosity; involved in the extension of the leg at the knee joint.
Define
Biceps Femoris
A hamstring muscle with two heads (long and short), originating from the ischial tuberosity (long head) and linea aspera (short head), and inserting at the head of the fibula and lateral condyle of the tibia; involved in flexion of the leg at the knee and extension of the thigh at the hip.
Define
Semimembranosus
A hamstring muscle originating from the ischial tuberosity and inserting at the medial condyle of the tibia; involved in flexion of the leg at the knee and extension of the thigh at the hip.
Define
Semitendinosus
A hamstring muscle originating from the ischial tuberosity and inserting at the proximal medial surface of the tibia; involved in flexion of the leg at the knee and extension of the thigh at the hip.
Define
Gluteal Muscles
A group of three muscles (gluteus maximus, gluteus medius, and gluteus minimus) located in the buttock region, responsible for movements such as extension, abduction, and rotation of the thigh at the hip joint.
Define
Gluteus Maximus
The largest and most superficial of the gluteal muscles, originating from the iliac crest, sacrum, and coccyx, and inserting at the gluteal tuberosity; primarily responsible for the extension of the thigh at the hip joint.
Define
Gluteus Medius
A gluteal muscle originating from the ilium and inserting at the greater trochanter of the femur; involved in abduction and rotation of the thigh at the hip joint.
Define
Gluteus Minimus
A gluteal muscle originating from the ilium and inserting at the greater trochanter of the femur; involved in abduction and rotation of the thigh at the hip joint, and positioned deep to the gluteus medius.
Define
Adductor Muscles
A group of muscles (adductor brevis, adductor longus, and adductor magnus) located in the inner thigh, responsible for adduction, flexion, and rotation of the thigh at the hip joint.
Define
Adductor Brevis
A short adductor muscle originating from the pubis and inserting at the linea aspera of the femur; involved in the adduction, flexion, and rotation of the thigh at the hip joint.
Define
Adductor Longus
A long adductor muscle originating from the pubis and inserting at the linea aspera of the femur; involved in the adduction, flexion, and rotation of the thigh at the hip joint.
Define
Adductor Magnus
A large adductor muscle originating from the pubis, ischium, and ischial tuberosity, and inserting at the linea aspera of the femur; involved in the adduction, flexion, and rotation of the thigh at the hip joint.
Define
Tibialis Anterior
A muscle located in the anterior compartment of the leg that is responsible for dorsiflexion and inversion of the foot.
Define
Gastrocnemius
A major calf muscle located in the posterior compartment of the leg, responsible for plantar flexion of the foot and flexion of the knee.
Define
Soleus
A deep muscle in the calf, located beneath the gastrocnemius, that contributes to plantar flexion of the foot.
What is
The lower part of the human body, including the legs, pelvis, and feet, responsible for supporting weight, movement, and balance.
Lower limb
What is
Breaks or cracks in the bones of the pelvis, which can lead to severe internal bleeding and are common in older adults following a fall.
Pelvic fractures
What is
The joint between the left and right pubic bones, located in the front of the pelvis.
Symphysis pubis
What is
The top curved edge of the ilium, the largest bone of the pelvis, which is important for muscle attachment and plays a role in leg movement.
Iliac crest
What is
A large muscle in the buttocks responsible for movements such as thigh abduction, which can be affected by injuries to the iliac crest.
Gluteus maximus
What is
Movement of a limb away from the midline of the body, such as moving the thigh outward.
Abduction
What is
A deep, basin-like structure in the body formed by the two hip bones (os coxae), sacrum, and coccyx, providing support for the upper body and protection for pelvic organs.
Pelvis
What is
The two large bones that form the sides of the pelvis, composed of three fused bones: the ilium, ischium, and pubis.
Hip bones (os coxae)
What is
A triangular bone at the base of the spine that connects the spine to the pelvis.
Sacrum
What is
The small, triangular bone at the very end of the vertebral column, commonly referred to as the tailbone.
Coccyx
What is
The ring-like bony structure formed by the hip bones and the sacrum, which connects the lower limbs to the axial skeleton and supports pelvic organs.
Pelvic girdle
What is
The uppermost and largest part of the hip bone, contributing to the structure of the pelvis.
Ilium
What is
A bony projection on the front of the ilium, providing attachment points for muscles and ligaments.
Anterior superior iliac spine
What is
A smaller bony projection located below the anterior superior iliac spine on the ilium.
Anterior inferior iliac spine
What is
A bony prominence on the back of the ilium, important for muscle attachment.
Posterior superior iliac spine
What is
A small projection located below the posterior superior iliac spine on the ilium.
Posterior inferior iliac spine
What is
The lower, rear portion of the hip bone, forming the base of the pelvis.
Ischium
What is
A large, rounded area on the ischium that supports body weight when sitting.
Ischial tuberosity
What is
The front portion of the hip bone, forming the anterior part of the pelvis.
Pubis
What is
The cartilaginous joint where the left and right pubic bones meet at the front of the pelvis.
Pubic symphysis
What is
The cup-shaped socket formed by the fusion of the ilium, ischium, and pubis, where the head of the femur (thigh bone) fits, forming the hip joint.
Acetabulum
What is
The longest and strongest bone in the body, which connects the hip to the knee by articulating with the acetabulum at the hip and with the patella and tibia at the knee.
Femur
What is
A triangular sesamoid bone embedded within the quadriceps tendon, commonly known as the kneecap, that protects the knee joint.
Patella
What is
The larger and stronger of the two lower leg bones, also known as the shinbone, which bears the weight of the body from the femur and transmits it to the foot.
Tibia
What is
A slender bone located alongside the tibia in the lower leg, which does not bear weight but serves as an attachment site for several muscles.
Fibula
What is
A fibrous sheet that spans the space between the tibia and fibula, helping to maintain the position of these bones relative to each other.
Interosseous membrane
What is
A ridge of roughened surface on the posterior side of the femur, serving as an attachment point for muscles.
Linea aspera
What is A roughened area on the upper part of the posterior femur where the gluteal muscles attach.
Gluteal tuberosity
What isA large bony prominence on the upper femur, serving as a major site of muscle attachment.
Greater trochanter
What is
The rounded protrusions on the distal end of the femur, located medially and laterally, which serve as attachment points for ligaments.
Femoral epicondyles
What is
The rounded articular surfaces at the distal end of the femur that interact with the tibia and patella to form the knee joint, located medially and laterally.
Femoral condyles
What is
The upper parts of the tibia, medial and lateral, that interact with the femur to form the knee joint.
Tibial condyles
What is
A bony prominence on the anterior aspect of the tibia, below the knee, where the patellar ligament attaches.
Tibial tuberosity
What is
The sharp, prominent ridge of the tibia that forms the shin.
Anterior margin (shin)
What is
The bony prominence on the inner side of the ankle, formed by the lower end of the tibia.
Medial malleolus
What is
The bony prominence on the outer side of the ankle, formed by the lower end of the fibula.
Lateral malleolus
What is
A group of seven bones in the foot that form the ankle and heel, including the talus and calcaneus.
Tarsals
What is
One of the tarsal bones that articulates with the tibia and fibula, forming the ankle joint.
Talus
What is
The largest tarsal bone, commonly known as the heel bone, which bears much of the body’s weight during standing and walking.
Calcaneus
What is
The five long bones of the foot that connect the tarsal bones to the phalanges, forming the structure of the arch and ball of the foot.
Metatarsals
What is
The bones of the toes, consisting of three bones per toe (except the big toe, which has two).
Phalanges
What is
A ball-and-socket joint formed between the acetabulum of the hip bone and the head of the femur, allowing a wide range of movement in the lower limb.
Hip joint
What is
A type of joint that allows for multi-directional movement and rotation, found in the hip and shoulder joints.
Define
Ball-and-socket joint
What is
A movement at the hip joint where the thigh remains fixed and the trunk bends forward.
Define
Bowing
What is
A hinge joint formed by the femur, tibia, and patella, allowing primarily flexion and extension, with some rotation when the knee is flexed.
Define
Knee joint
What is
A type of joint that permits movement in one plane, similar to the motion of a door hinge, such as the knee and ankle joints.
Define
Hinge joint
What is
A movement that decreases the angle between two body parts, such as bending the knee or lifting the foot upwards at the ankle (dorsiflexion).
Define
Flexion
What is
A movement that increases the angle between two body parts, such as straightening the knee or pushing the foot downwards at the ankle (plantar flexion).
Define
Extension
What is
A fibrous tissue that encloses a joint, providing stability and helping to control movement at the joint.
Define
Joint capsule
What is
Two ligaments inside the knee joint, named for their cross-shaped arrangement, that stabilize the knee by preventing excessive forward and backward movement of the tibia relative to the femur.
Define
Cruciate ligaments
What is
A strong tendon that connects the quadriceps muscles to the patella, playing a key role in extending the knee.
Define
Quadriceps (patellar) tendon
What is
Two joints between the tibia and fibula bones: the proximal joint located below the knee and the distal joint located just above the ankle.
Define
Tibiofibular joints
What is
A hinge joint formed by the tibia, fibula, and talus, allowing movements such as dorsiflexion (lifting the foot upwards) and plantar flexion (pointing the foot downwards).
Define
Ankle joint
What is
A movement at the ankle joint where the foot is lifted upwards towards the leg, such as raising the toes towards the knee.
Define
Dorsiflexion
What is
A movement at the ankle joint where the foot is pushed downwards, pointing the toes as in ballet.
Define
Plantar flexion
What is
The attachment site of a muscle to a stationary bone, usually the bone closer to the center of the body.
Define
Origin
What is
The attachment site of a muscle to a bone that moves when the muscle contracts, typically farther from the center of the body.
Define
Insertion
What is
A group of three muscles (biceps femoris, semimembranosus, and semitendinosus) located at the back of the thigh, responsible for extending the thigh at the hip joint and flexing the leg at the knee joint.
Define
Hamstrings
What is
A group of four muscles (rectus femoris, vastus lateralis, vastus intermedius, and vastus medialis) located at the front of the thigh, primarily responsible for extending the leg at the knee joint.
Define
Quadriceps Femoris
What is
One of the quadriceps muscles, originating from the anterior inferior iliac spine and inserting at the tibial tuberosity; involved in flexion of the thigh at the hip joint and extension of the leg at the knee joint.
Define
Rectus Femoris