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Knee Joint

Knee Joint

The knee joint is the most complicated joint in the body. It consists of three articulations– two tibiofemoral and one patellofemoral. As is characteristic of synovial joints, the knee joint has a thin articular capsule that partially surrounds this joint cavity. Additionally, several ligaments, muscles, and cartilaginous structures support the movement of the knee.
A total of seven ligaments support the knee joint. The patellar ligament, which is also attached to the quadriceps femoris group...

Muscles that Move the Leg

Muscles that Move the Leg

The movement of the legs is facilitated by numerous muscles located within the anterior, medial, and posterior compartments of the thigh.
Anterior Compartment
The quadriceps femoris, the most visible muscle of the anterior compartment, is integral for leg extension and thigh flexion. It is formed by merging four distinct muscles — the vastus lateralis, vastus medialis, vastus intermedius, and rectus femoris. The quadriceps tendon, a shared tendon of the four quadriceps muscles, is affixed to...

Bones of the Lower Limb: Femur and Patella

Bones of the Lower Limb: Femur and Patella

The femur is the body's longest and strongest bone spanning the thigh region. Its head articulates with the acetabulum of the hip bone to form the hip joint. A minor indentation on the medial side of the femoral head, called the fovea capitis, serves as the site of attachment for the ligament of the head of the femur. This weak ligament spans the femur and acetabulum and supports the hip joint. The narrowed region below the head is the neck of the femur. The inclination angle between the neck...

Ankle Joint

Ankle Joint

The ankle is formed by the talocrural joint (crural = leg). It consists of the articulations between the talus bone of the foot and the distal ends of the tibia and fibula of the leg. The superior aspect of the talus bone is square-shaped and has three areas of articulation. The top of the talus articulates with the inferior tibia. This is the portion of the ankle joint that carries the body weight between the leg and foot. The sides of the talus are firmly held in position by the articulations...

Bones of the Lower Limb: Tibia and Fibula

Bones of the Lower Limb: Tibia and Fibula

The tibia is the main weight-bearing bone of the lower leg. It is larger than the fibula with which it is paired. The tibia is also the second longest bone in the body and is located right below the skin. The proximal end of the tibia forms the medial and the lateral condyle, which articulates with the condyles of the femur to form the knee joint. Between the articulating surfaces is the irregular elevated area known as the intercondylar eminence that serves as the inferior attachment point for...

Muscles of the Leg that Move the Foot and Toes

Muscles of the Leg that Move the Foot and Toes

The human leg comprises an intricate system of muscles that facilitate the movement of feet and toes. Within this system, the muscles are categorized into the anterior, lateral, and posterior compartments, each with a unique set of muscles carrying out specific functions.
Anterior Compartment
The anterior compartment includes muscles that contribute to the dorsiflexion of the foot. This compartment houses the tibialis anterior, extensor hallucis longus, and extensor digitorum longus muscles.

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Clinical Effects of Ultrasound-Guided Acupotomy in Knee Osteoarthritis Treatment

Clinical Effects of Ultrasound-Guided Acupotomy in Knee Osteoarthritis Treatment

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The Knee Nook.

Carissa Black¹, Derek Liu, Henry Petrash

¹Engineering Design and Communication, Section 9, Team 2, Segal Design Institute, The McCormick School of Engineering at Northwestern University, Evanston, Illinois, USA.

Topics in Stroke Rehabilitation

|April 24, 2008

Summary

This summary is machine-generated.

Stroke survivors with limited mobility can now independently put on their ankle-foot orthosis (AFO) and shoes thanks to the Knee Nook. This innovative device securely holds the affected leg in place, simplifying the donning process for improved ambulation.

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Area of Science:

Biomedical Engineering
Rehabilitation Technology
Assistive Device Design

Background:

Stroke survivors frequently experience hemiparesis, leading to foot drop and ambulation difficulties.
Ankle-foot orthoses (AFOs) are commonly prescribed to manage foot drop, but their bulk complicates shoe donning.
Existing methods for donning AFOs and shoes can be challenging for individuals with limited mobility.

Purpose of the Study:

To develop an innovative assistive device to aid stroke survivors in independently donning an ankle-foot orthosis (AFO) and shoe.
To address the practical challenges faced by stroke survivors in managing AFOs due to reduced limb function.

Main Methods:

User-centered design approach involving interviews with stroke survivors.
Iterative prototyping and testing of multiple designs.
Development of the "Knee Nook," a hands-free device utilizing a neoprene pad to stabilize the leg.

Main Results:

The Knee Nook was identified as the most promising solution after user testing and critique.
The device effectively holds the user's weak leg in position on the strong knee, facilitating AFO and shoe donning.
Stroke survivors reported increased independence in managing their AFOs and footwear.

Conclusions:

The Knee Nook offers a practical and effective solution for stroke survivors needing to don AFOs and shoes.
This assistive device has the potential to enhance independence and mobility for individuals post-stroke.
Further development and validation of the Knee Nook could significantly impact rehabilitation outcomes.