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The short head of the biceps also has 3 important arms in the posterolateral corner. The capsular arm attaches to the posterolateral capsule as well as the fibula, just lateral to the styloid and provides a strong attachment to the capsule, lateral gastrocnemius tendon, and capsuloosseus layer of the IT band. The fabellofibular ligament is ...
The gastrocnemius muscle is prone to spasms, which are painful, involuntary contractions of the muscle that may last several minutes. [5] A severe ankle dorsiflexion force may result in a Medial Gastrocnemius Strain (MGS) injury of the muscle, commonly referred to as a "torn" or "strained" calf muscle, which is acutely painful and disabling. [6]
1.1 Arm and shoulder. 1.2 Hand and wrist. 2 Lower limb. ... of hand at wrist [3] ... Lateral rectus muscle; Superior oblique muscle;
Upper limb, Hand, Lateral volar, Thenar flexor retinaculum of hand, scaphoid and trapezium: radial base of proximal phalanx of thumb and thumb extensors: superficial palmar arch: median nerve: abducts thumb: adductor pollicis: 2 1 adductor pollicis: Upper limb, Hand, Lateral volar, Thenar transverse head: anterior body of third metacarpal
In anatomy, flexor is a muscle that contracts to perform flexion (from the Latin verb flectere, to bend), [1] a movement that decreases the angle between the bones converging at a joint. For example, one's elbow joint flexes when one brings their hand closer to the shoulder, thus decreasing the angle between the upper arm and the forearm.
A SLAP lesion (superior labrum, anterior to posterior) is a tear where the glenoid labrum meets the tendon of the long head of the biceps muscle. Symptoms include increased pain with overhead activity, popping or grinding, loss of strength, and trouble localizing a specific point of pain. [3]
Symptoms arising from chronic tears include sporadic worsening of pain, debilitation, and atrophy of the muscles; noticeable pain during rest; crackling sensations when moving the shoulder; and inability to move or lift the arm sufficiently, especially during abduction and flexion motions.
The fabella is a small sesamoid bone found in some mammals embedded in the tendon of the lateral head of the gastrocnemius muscle behind the lateral condyle of the femur. It is a variant of normal anatomy and present in humans in 10% to 30% of individuals. The fabella can also be mutipartite or bipartite. [13]